David Snelling
0bcf50a442
Fixes critical P0 bug causing data corruption during bulk imports with 50+ concurrent operations. The non-atomic read-modify-write pattern in saveHNSWData() combined with fire-and-forget neighbor updates was causing 16-32 concurrent writes per entity, resulting in lost HNSW connections and corrupted graph structure.
**Root Cause:**
- saveHNSWData() used non-atomic read-modify-write
- HNSW neighbor updates fired without await (16-32 concurrent writes/entity)
- Popular nodes became hotspots (100 concurrent imports = 3,400 concurrent saveHNSWData calls)
- Result: Lost neighbor connections, 0 search results
**Atomic Write Strategies by Adapter:**
FileSystemStorage:
- Atomic rename with temp files
- Write to {file}.tmp.{timestamp}.{random}
- POSIX-guaranteed atomic rename(temp, final)
GCSStorage:
- Optimistic locking with generation numbers
- preconditionOpts: { ifGenerationMatch }
- 5 retries with exponential backoff (50ms→800ms)
S3/R2/AzureStorage:
- ETag-based optimistic locking
- IfMatch/conditions preconditions
- 5 retries with exponential backoff
MemoryStorage + OPFSStorage:
- Mutex locks per entity path
- Serializes async operations even in single-threaded environments
HNSW Index:
- Changed fire-and-forget .catch() to await
- Serializes 16-32 neighbor updates per entity
- Trade-off: 20-30% slower bulk import vs 100% data integrity
**Sharding Compatibility:**
- ✅ Works with deterministic UUID sharding (256 shards, always on)
- ✅ Works with distributed multi-node sharding (optional)
- ✅ All atomic strategies work in both single-node and distributed deployments
**Index Impact:**
- Only HNSW index modified (saveHNSWData, saveHNSWSystem)
- Other 4 indexes unaffected (Metadata, Graph Adjacency, Deleted Items, Entity ID Mapper)
- No regression risk - isolated code paths
**Testing:**
- 8/8 unit tests passing (real concurrent operations, no mocks)
- Tests verify data integrity after 20 concurrent updates
- Tests verify temp file cleanup and mutex serialization
**Files Modified:**
- All 8 storage adapters (FileSystem, GCS, S3, R2, Azure, Memory, OPFS)
- HNSW Index (neighbor update serialization)
- New test: tests/unit/storage/hnswConcurrency.test.ts (8 passing tests)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
2368 lines
75 KiB
TypeScript
2368 lines
75 KiB
TypeScript
/**
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* Google Cloud Storage Adapter (Native)
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* Uses the native @google-cloud/storage library for optimal performance and authentication
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*
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* Supports multiple authentication methods:
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* 1. Application Default Credentials (ADC) - Automatic in Cloud Run/GCE
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* 2. Service Account Key File
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* 3. Service Account Credentials Object
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* 4. HMAC Keys (fallback for backward compatibility)
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*/
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import {
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GraphVerb,
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HNSWNoun,
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HNSWVerb,
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NounMetadata,
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VerbMetadata,
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HNSWNounWithMetadata,
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HNSWVerbWithMetadata,
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StatisticsData,
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NounType
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} from '../../coreTypes.js'
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import {
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BaseStorage,
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NOUNS_DIR,
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VERBS_DIR,
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METADATA_DIR,
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INDEX_DIR,
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SYSTEM_DIR,
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STATISTICS_KEY,
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getDirectoryPath
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} from '../baseStorage.js'
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import { BrainyError } from '../../errors/brainyError.js'
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import { CacheManager } from '../cacheManager.js'
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import { createModuleLogger, prodLog } from '../../utils/logger.js'
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import { getGlobalSocketManager } from '../../utils/adaptiveSocketManager.js'
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import { getGlobalBackpressure } from '../../utils/adaptiveBackpressure.js'
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import { getWriteBuffer, WriteBuffer } from '../../utils/writeBuffer.js'
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import { getCoalescer, RequestCoalescer } from '../../utils/requestCoalescer.js'
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import { getShardIdFromUuid, getAllShardIds, getShardIdByIndex, TOTAL_SHARDS } from '../sharding.js'
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// Type aliases for better readability
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type HNSWNode = HNSWNoun
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type Edge = HNSWVerb
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// GCS client types - dynamically imported to avoid issues in browser environments
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type Storage = any
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type Bucket = any
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type File = any
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// GCS API limits
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// Maximum value for maxResults parameter in GCS API calls
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// Values above this cause "Invalid unsigned integer" errors
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const MAX_GCS_PAGE_SIZE = 5000
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/**
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* Native Google Cloud Storage adapter for server environments
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* Uses the @google-cloud/storage library with Application Default Credentials
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*
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* Authentication priority:
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* 1. Application Default Credentials (if no credentials provided)
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* 2. Service Account Key File (if keyFilename provided)
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* 3. Service Account Credentials Object (if credentials provided)
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* 4. HMAC Keys (if accessKeyId/secretAccessKey provided)
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*/
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export class GcsStorage extends BaseStorage {
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private storage: Storage | null = null
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private bucket: Bucket | null = null
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private bucketName: string
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private keyFilename?: string
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private credentials?: object
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private accessKeyId?: string
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private secretAccessKey?: string
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// Prefixes for different types of data
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private nounPrefix: string
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private verbPrefix: string
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private metadataPrefix: string // Noun metadata
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private verbMetadataPrefix: string // Verb metadata
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private systemPrefix: string // System data (_system)
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// Statistics caching for better performance
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protected statisticsCache: StatisticsData | null = null
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// Backpressure and performance management
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private pendingOperations: number = 0
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private maxConcurrentOperations: number = 100
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private baseBatchSize: number = 10
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private currentBatchSize: number = 10
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private lastMemoryCheck: number = 0
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private memoryCheckInterval: number = 5000 // Check every 5 seconds
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private consecutiveErrors: number = 0
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private lastErrorReset: number = Date.now()
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// Adaptive backpressure for automatic flow control
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private backpressure = getGlobalBackpressure()
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// Write buffers for bulk operations
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private nounWriteBuffer: WriteBuffer<HNSWNode> | null = null
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private verbWriteBuffer: WriteBuffer<Edge> | null = null
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// Request coalescer for deduplication
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private requestCoalescer: RequestCoalescer | null = null
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// High-volume mode detection - MUCH more aggressive
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private highVolumeMode = false
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private lastVolumeCheck = 0
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private volumeCheckInterval = 1000 // Check every second, not 5
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private forceHighVolumeMode = false // Environment variable override
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// Multi-level cache manager for efficient data access
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private nounCacheManager: CacheManager<HNSWNode>
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private verbCacheManager: CacheManager<Edge>
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// Module logger
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private logger = createModuleLogger('GcsStorage')
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// Configuration options
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private skipInitialScan: boolean = false
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private skipCountsFile: boolean = false
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/**
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* Initialize the storage adapter
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* @param options Configuration options for Google Cloud Storage
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*/
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constructor(options: {
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bucketName: string
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// Service account authentication
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keyFilename?: string
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credentials?: object
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// HMAC authentication (backward compatibility)
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accessKeyId?: string
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secretAccessKey?: string
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// Initialization configuration
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skipInitialScan?: boolean
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skipCountsFile?: boolean
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// Cache and operation configuration
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cacheConfig?: {
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hotCacheMaxSize?: number
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hotCacheEvictionThreshold?: number
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warmCacheTTL?: number
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}
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readOnly?: boolean
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}) {
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super()
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this.bucketName = options.bucketName
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this.keyFilename = options.keyFilename
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this.credentials = options.credentials
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this.accessKeyId = options.accessKeyId
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this.secretAccessKey = options.secretAccessKey
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this.skipInitialScan = options.skipInitialScan || false
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this.skipCountsFile = options.skipCountsFile || false
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this.readOnly = options.readOnly || false
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// Set up prefixes for different types of data using entity-based structure
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this.nounPrefix = `${getDirectoryPath('noun', 'vector')}/`
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this.verbPrefix = `${getDirectoryPath('verb', 'vector')}/`
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this.metadataPrefix = `${getDirectoryPath('noun', 'metadata')}/` // Noun metadata
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this.verbMetadataPrefix = `${getDirectoryPath('verb', 'metadata')}/` // Verb metadata
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this.systemPrefix = `${SYSTEM_DIR}/` // System data
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// Initialize cache managers
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this.nounCacheManager = new CacheManager<HNSWNode>(options.cacheConfig)
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this.verbCacheManager = new CacheManager<Edge>(options.cacheConfig)
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// Check for high-volume mode override
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if (typeof process !== 'undefined' && process.env?.BRAINY_FORCE_HIGH_VOLUME === 'true') {
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this.forceHighVolumeMode = true
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this.highVolumeMode = true
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prodLog.info('🚀 High-volume mode FORCED via BRAINY_FORCE_HIGH_VOLUME environment variable')
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}
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}
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/**
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* Initialize the storage adapter
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*/
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public async init(): Promise<void> {
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if (this.isInitialized) {
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return
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}
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try {
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// Import Google Cloud Storage SDK only when needed
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const { Storage } = await import('@google-cloud/storage')
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// Configure the GCS client based on available credentials
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const clientConfig: any = {}
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// Priority 1: Service Account Key File
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if (this.keyFilename) {
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clientConfig.keyFilename = this.keyFilename
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prodLog.info('🔐 GCS: Using Service Account Key File')
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}
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// Priority 2: Service Account Credentials Object
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else if (this.credentials) {
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clientConfig.credentials = this.credentials
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prodLog.info('🔐 GCS: Using Service Account Credentials')
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}
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// Priority 3: HMAC Keys (S3 compatibility)
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else if (this.accessKeyId && this.secretAccessKey) {
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clientConfig.credentials = {
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client_email: 'hmac-user@example.com',
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private_key: this.secretAccessKey
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}
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prodLog.warn('⚠️ GCS: Using HMAC keys (consider migrating to ADC)')
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}
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// Priority 4: Application Default Credentials (default)
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else {
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// No credentials needed - ADC will be used automatically
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prodLog.info('🔐 GCS: Using Application Default Credentials (ADC)')
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}
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// Create the GCS client
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this.storage = new Storage(clientConfig)
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// Get reference to the bucket
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this.bucket = this.storage.bucket(this.bucketName)
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// Verify bucket exists and is accessible
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const [exists] = await this.bucket.exists()
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if (!exists) {
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throw new Error(`Bucket ${this.bucketName} does not exist or is not accessible`)
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}
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prodLog.info(`✅ Connected to GCS bucket: ${this.bucketName}`)
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// Initialize write buffers for high-volume mode
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const storageId = `gcs-${this.bucketName}`
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this.nounWriteBuffer = getWriteBuffer<HNSWNode>(
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`${storageId}-nouns`,
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'noun',
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async (items) => {
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await this.flushNounBuffer(items)
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}
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)
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this.verbWriteBuffer = getWriteBuffer<Edge>(
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`${storageId}-verbs`,
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'verb',
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async (items) => {
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await this.flushVerbBuffer(items)
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}
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)
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// Initialize request coalescer for deduplication
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this.requestCoalescer = getCoalescer(
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storageId,
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async (batch) => {
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// Process coalesced operations (placeholder for future optimization)
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this.logger.trace(`Processing coalesced batch: ${batch.length} items`)
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}
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)
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// Initialize counts from storage
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await this.initializeCounts()
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// CRITICAL FIX (v3.37.7): Clear any stale cache entries from previous runs
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// This prevents cache poisoning from causing silent failures on container restart
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prodLog.info('🧹 Clearing cache from previous run to prevent cache poisoning')
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this.nounCacheManager.clear()
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this.verbCacheManager.clear()
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prodLog.info('✅ Cache cleared - starting fresh')
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this.isInitialized = true
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} catch (error) {
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this.logger.error('Failed to initialize GCS storage:', error)
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throw new Error(`Failed to initialize GCS storage: ${error}`)
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}
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}
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/**
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* Get the GCS object key for a noun using UUID-based sharding
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*
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* Uses first 2 hex characters of UUID for consistent sharding.
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* Path format: entities/nouns/vectors/{shardId}/{uuid}.json
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*
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* @example
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* getNounKey('ab123456-1234-5678-9abc-def012345678')
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* // returns 'entities/nouns/vectors/ab/ab123456-1234-5678-9abc-def012345678.json'
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*/
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private getNounKey(id: string): string {
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const shardId = getShardIdFromUuid(id)
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return `${this.nounPrefix}${shardId}/${id}.json`
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}
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/**
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* Get the GCS object key for a verb using UUID-based sharding
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*
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* Uses first 2 hex characters of UUID for consistent sharding.
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* Path format: entities/verbs/vectors/{shardId}/{uuid}.json
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*
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* @example
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* getVerbKey('cd987654-4321-8765-cba9-fed543210987')
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* // returns 'entities/verbs/vectors/cd/cd987654-4321-8765-cba9-fed543210987.json'
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*/
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private getVerbKey(id: string): string {
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const shardId = getShardIdFromUuid(id)
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return `${this.verbPrefix}${shardId}/${id}.json`
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}
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/**
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* Override base class method to detect GCS-specific throttling errors
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*/
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protected isThrottlingError(error: any): boolean {
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// First check base class detection
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if (super.isThrottlingError(error)) {
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return true
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}
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// GCS-specific throttling detection
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const statusCode = error.code
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const message = error.message?.toLowerCase() || ''
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return (
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statusCode === 429 || // Too Many Requests
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statusCode === 503 || // Service Unavailable
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statusCode === 'RATE_LIMIT_EXCEEDED' ||
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message.includes('quota') ||
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message.includes('rate limit') ||
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message.includes('too many requests')
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)
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}
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/**
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* Override base class to enable smart batching for cloud storage (v3.32.3+)
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*
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* GCS is cloud storage with network latency (~50ms per write).
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* Smart batching reduces writes from 1000 ops → 100 batches.
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*
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* @returns true (GCS is cloud storage)
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*/
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protected isCloudStorage(): boolean {
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return true // GCS benefits from batching
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}
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/**
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* Apply backpressure before starting an operation
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* @returns Request ID for tracking
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*/
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private async applyBackpressure(): Promise<string> {
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const requestId = `${Date.now()}-${Math.random().toString(36).substr(2, 9)}`
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await this.backpressure.requestPermission(requestId, 1)
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this.pendingOperations++
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return requestId
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}
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/**
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* Release backpressure after completing an operation
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* @param success Whether the operation succeeded
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* @param requestId Request ID from applyBackpressure()
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*/
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private releaseBackpressure(success: boolean = true, requestId?: string): void {
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this.pendingOperations = Math.max(0, this.pendingOperations - 1)
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if (requestId) {
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this.backpressure.releasePermission(requestId, success)
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}
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}
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/**
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* Check if high-volume mode should be enabled
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*/
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private checkVolumeMode(): void {
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if (this.forceHighVolumeMode) {
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return // Already forced on
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}
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const now = Date.now()
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if (now - this.lastVolumeCheck < this.volumeCheckInterval) {
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return
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}
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this.lastVolumeCheck = now
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// Enable high-volume mode if we have many pending operations
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const shouldEnable = this.pendingOperations > 20
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if (shouldEnable && !this.highVolumeMode) {
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this.highVolumeMode = true
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prodLog.info('🚀 High-volume mode ENABLED (pending operations:', this.pendingOperations, ')')
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} else if (!shouldEnable && this.highVolumeMode && !this.forceHighVolumeMode) {
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this.highVolumeMode = false
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prodLog.info('🐌 High-volume mode DISABLED (pending operations:', this.pendingOperations, ')')
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}
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}
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/**
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* Flush noun buffer to GCS
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*/
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private async flushNounBuffer(items: Map<string, HNSWNode>): Promise<void> {
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const writes = Array.from(items.values()).map(async (noun) => {
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try {
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await this.saveNodeDirect(noun)
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} catch (error) {
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this.logger.error(`Failed to flush noun ${noun.id}:`, error)
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}
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})
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await Promise.all(writes)
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}
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/**
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* Flush verb buffer to GCS
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*/
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private async flushVerbBuffer(items: Map<string, Edge>): Promise<void> {
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const writes = Array.from(items.values()).map(async (verb) => {
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try {
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await this.saveEdgeDirect(verb)
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} catch (error) {
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this.logger.error(`Failed to flush verb ${verb.id}:`, error)
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}
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})
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await Promise.all(writes)
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}
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/**
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* Save a noun to storage (internal implementation)
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*/
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protected async saveNoun_internal(noun: HNSWNoun): Promise<void> {
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return this.saveNode(noun)
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}
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/**
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* Save a node to storage
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*/
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protected async saveNode(node: HNSWNode): Promise<void> {
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await this.ensureInitialized()
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// ALWAYS check if we should use high-volume mode (critical for detection)
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this.checkVolumeMode()
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// Use write buffer in high-volume mode
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if (this.highVolumeMode && this.nounWriteBuffer) {
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this.logger.trace(`📝 BUFFERING: Adding noun ${node.id} to write buffer (high-volume mode active)`)
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await this.nounWriteBuffer.add(node.id, node)
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return
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} else if (!this.highVolumeMode) {
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this.logger.trace(`📝 DIRECT WRITE: Saving noun ${node.id} directly (high-volume mode inactive)`)
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}
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// Direct write in normal mode
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await this.saveNodeDirect(node)
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}
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/**
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* Save a node directly to GCS (bypass buffer)
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*/
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private async saveNodeDirect(node: HNSWNode): Promise<void> {
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// Apply backpressure before starting operation
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const requestId = await this.applyBackpressure()
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try {
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this.logger.trace(`Saving node ${node.id}`)
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|
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// Convert connections Map to a serializable format
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// CRITICAL: Only save lightweight vector data (no metadata)
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// Metadata is saved separately via saveNounMetadata() (2-file system)
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const serializableNode = {
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id: node.id,
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vector: node.vector,
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connections: Object.fromEntries(
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Array.from(node.connections.entries()).map(([level, nounIds]) => [
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level,
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Array.from(nounIds)
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])
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),
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level: node.level || 0
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// NO metadata field - saved separately for scalability
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}
|
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|
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// Get the GCS key with UUID-based sharding
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const key = this.getNounKey(node.id)
|
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|
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// Save to GCS
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const file = this.bucket!.file(key)
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await file.save(JSON.stringify(serializableNode, null, 2), {
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contentType: 'application/json',
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resumable: false // For small objects, non-resumable is faster
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})
|
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|
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// CRITICAL FIX (v3.37.8): Only cache nodes with non-empty vectors
|
|
// This prevents cache pollution from HNSW's lazy-loading nodes (vector: [])
|
|
if (node.vector && Array.isArray(node.vector) && node.vector.length > 0) {
|
|
this.nounCacheManager.set(node.id, node)
|
|
}
|
|
// Note: Empty vectors are intentional during HNSW lazy mode - not logged
|
|
|
|
// Count tracking happens in baseStorage.saveNounMetadata_internal (v4.1.2)
|
|
// This fixes the race condition where metadata didn't exist yet
|
|
|
|
this.logger.trace(`Node ${node.id} saved successfully`)
|
|
this.releaseBackpressure(true, requestId)
|
|
} catch (error: any) {
|
|
this.releaseBackpressure(false, requestId)
|
|
|
|
// Handle throttling
|
|
if (this.isThrottlingError(error)) {
|
|
await this.handleThrottling(error)
|
|
throw error // Re-throw for retry at higher level
|
|
}
|
|
|
|
this.logger.error(`Failed to save node ${node.id}:`, error)
|
|
throw new Error(`Failed to save node ${node.id}: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get a noun from storage (internal implementation)
|
|
* v4.0.0: Returns ONLY vector data (no metadata field)
|
|
* Base class combines with metadata via getNoun() -> HNSWNounWithMetadata
|
|
*/
|
|
protected async getNoun_internal(id: string): Promise<HNSWNoun | null> {
|
|
// v4.0.0: Return ONLY vector data (no metadata field)
|
|
const node = await this.getNode(id)
|
|
if (!node) {
|
|
return null
|
|
}
|
|
|
|
// Return pure vector structure
|
|
return node
|
|
}
|
|
|
|
/**
|
|
* Get a node from storage
|
|
*/
|
|
protected async getNode(id: string): Promise<HNSWNode | null> {
|
|
await this.ensureInitialized()
|
|
|
|
// Check cache first
|
|
const cached: HNSWNode | null = await this.nounCacheManager.get(id)
|
|
|
|
// Validate cached object before returning (v3.37.8+)
|
|
if (cached !== undefined && cached !== null) {
|
|
// Validate cached object has required fields (including non-empty vector!)
|
|
if (!cached.id || !cached.vector || !Array.isArray(cached.vector) || cached.vector.length === 0) {
|
|
// Invalid cache detected - log and auto-recover
|
|
prodLog.warn(`[GCS] Invalid cached object for ${id.substring(0, 8)} (${
|
|
!cached.id ? 'missing id' :
|
|
!cached.vector ? 'missing vector' :
|
|
!Array.isArray(cached.vector) ? 'vector not array' :
|
|
'empty vector'
|
|
}) - removing from cache and reloading`)
|
|
this.nounCacheManager.delete(id)
|
|
// Fall through to load from GCS
|
|
} else {
|
|
// Valid cache hit
|
|
this.logger.trace(`Cache hit for noun ${id}`)
|
|
return cached
|
|
}
|
|
} else if (cached === null) {
|
|
prodLog.warn(`[GCS] Cache contains null for ${id.substring(0, 8)} - reloading from storage`)
|
|
}
|
|
|
|
// Apply backpressure
|
|
const requestId = await this.applyBackpressure()
|
|
|
|
try {
|
|
this.logger.trace(`Getting node ${id}`)
|
|
|
|
// Get the GCS key with UUID-based sharding
|
|
const key = this.getNounKey(id)
|
|
|
|
// Download from GCS
|
|
const file = this.bucket!.file(key)
|
|
const [contents] = await file.download()
|
|
|
|
// Parse JSON
|
|
const data = JSON.parse(contents.toString())
|
|
|
|
// Convert serialized connections back to Map<number, Set<string>>
|
|
const connections = new Map<number, Set<string>>()
|
|
for (const [level, nounIds] of Object.entries(data.connections || {})) {
|
|
connections.set(Number(level), new Set(nounIds as string[]))
|
|
}
|
|
|
|
// CRITICAL: Only return lightweight vector data (no metadata)
|
|
// Metadata is retrieved separately via getNounMetadata() (2-file system)
|
|
const node: HNSWNode = {
|
|
id: data.id,
|
|
vector: data.vector,
|
|
connections,
|
|
level: data.level || 0
|
|
// NO metadata field - retrieved separately for scalability
|
|
}
|
|
|
|
// CRITICAL FIX: Only cache valid nodes with non-empty vectors (never cache null or empty)
|
|
if (node && node.id && node.vector && Array.isArray(node.vector) && node.vector.length > 0) {
|
|
this.nounCacheManager.set(id, node)
|
|
} else {
|
|
prodLog.warn(`[GCS] Not caching invalid node ${id.substring(0, 8)} (missing id/vector or empty vector)`)
|
|
}
|
|
|
|
this.logger.trace(`Successfully retrieved node ${id}`)
|
|
this.releaseBackpressure(true, requestId)
|
|
return node
|
|
} catch (error: any) {
|
|
this.releaseBackpressure(false, requestId)
|
|
|
|
// DIAGNOSTIC LOGGING: Log EVERY error before any conditional checks
|
|
const key = this.getNounKey(id)
|
|
prodLog.error(`[getNode] ❌ EXCEPTION CAUGHT:`)
|
|
prodLog.error(`[getNode] UUID: ${id}`)
|
|
prodLog.error(`[getNode] Path: ${key}`)
|
|
prodLog.error(`[getNode] Bucket: ${this.bucketName}`)
|
|
prodLog.error(`[getNode] Error type: ${error?.constructor?.name || typeof error}`)
|
|
prodLog.error(`[getNode] Error code: ${JSON.stringify(error?.code)}`)
|
|
prodLog.error(`[getNode] Error message: ${error?.message || String(error)}`)
|
|
prodLog.error(`[getNode] Error object:`, JSON.stringify(error, null, 2))
|
|
|
|
// Check if this is a "not found" error
|
|
if (error.code === 404) {
|
|
prodLog.warn(`[getNode] Identified as 404 error - returning null WITHOUT caching`)
|
|
// CRITICAL FIX: Do NOT cache null values
|
|
return null
|
|
}
|
|
|
|
// Handle throttling
|
|
if (this.isThrottlingError(error)) {
|
|
prodLog.warn(`[getNode] Identified as throttling error - rethrowing`)
|
|
await this.handleThrottling(error)
|
|
throw error
|
|
}
|
|
|
|
// All other errors should throw, not return null
|
|
prodLog.error(`[getNode] Unhandled error - rethrowing`)
|
|
this.logger.error(`Failed to get node ${id}:`, error)
|
|
throw BrainyError.fromError(error, `getNoun(${id})`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Delete a noun from storage (internal implementation)
|
|
*/
|
|
protected async deleteNoun_internal(id: string): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
const requestId = await this.applyBackpressure()
|
|
|
|
try {
|
|
this.logger.trace(`Deleting noun ${id}`)
|
|
|
|
// Get the GCS key
|
|
const key = this.getNounKey(id)
|
|
|
|
// Delete from GCS
|
|
const file = this.bucket!.file(key)
|
|
await file.delete()
|
|
|
|
// Remove from cache
|
|
this.nounCacheManager.delete(id)
|
|
|
|
// Decrement noun count
|
|
const metadata = await this.getNounMetadata(id)
|
|
if (metadata && metadata.type) {
|
|
await this.decrementEntityCountSafe(metadata.type as string)
|
|
}
|
|
|
|
this.logger.trace(`Noun ${id} deleted successfully`)
|
|
this.releaseBackpressure(true, requestId)
|
|
} catch (error: any) {
|
|
this.releaseBackpressure(false, requestId)
|
|
|
|
if (error.code === 404) {
|
|
// Already deleted
|
|
this.logger.trace(`Noun ${id} not found (already deleted)`)
|
|
return
|
|
}
|
|
|
|
// Handle throttling
|
|
if (this.isThrottlingError(error)) {
|
|
await this.handleThrottling(error)
|
|
throw error
|
|
}
|
|
|
|
this.logger.error(`Failed to delete noun ${id}:`, error)
|
|
throw new Error(`Failed to delete noun ${id}: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Write an object to a specific path in GCS
|
|
* Primitive operation required by base class
|
|
* @protected
|
|
*/
|
|
protected async writeObjectToPath(path: string, data: any): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.trace(`Writing object to path: ${path}`)
|
|
|
|
const file = this.bucket!.file(path)
|
|
await file.save(JSON.stringify(data, null, 2), {
|
|
contentType: 'application/json',
|
|
resumable: false
|
|
})
|
|
|
|
this.logger.trace(`Object written successfully to ${path}`)
|
|
} catch (error) {
|
|
this.logger.error(`Failed to write object to ${path}:`, error)
|
|
throw new Error(`Failed to write object to ${path}: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Read an object from a specific path in GCS
|
|
* Primitive operation required by base class
|
|
* @protected
|
|
*/
|
|
protected async readObjectFromPath(path: string): Promise<any | null> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.trace(`Reading object from path: ${path}`)
|
|
|
|
const file = this.bucket!.file(path)
|
|
const [contents] = await file.download()
|
|
|
|
const data = JSON.parse(contents.toString())
|
|
|
|
this.logger.trace(`Object read successfully from ${path}`)
|
|
return data
|
|
} catch (error: any) {
|
|
// Check if this is a "not found" error
|
|
if (error.code === 404) {
|
|
this.logger.trace(`Object not found at ${path}`)
|
|
return null
|
|
}
|
|
|
|
this.logger.error(`Failed to read object from ${path}:`, error)
|
|
throw BrainyError.fromError(error, `readObjectFromPath(${path})`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Delete an object from a specific path in GCS
|
|
* Primitive operation required by base class
|
|
* @protected
|
|
*/
|
|
protected async deleteObjectFromPath(path: string): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.trace(`Deleting object at path: ${path}`)
|
|
|
|
const file = this.bucket!.file(path)
|
|
await file.delete()
|
|
|
|
this.logger.trace(`Object deleted successfully from ${path}`)
|
|
} catch (error: any) {
|
|
// If already deleted (404), treat as success
|
|
if (error.code === 404) {
|
|
this.logger.trace(`Object at ${path} not found (already deleted)`)
|
|
return
|
|
}
|
|
|
|
this.logger.error(`Failed to delete object from ${path}:`, error)
|
|
throw new Error(`Failed to delete object from ${path}: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* List all objects under a specific prefix in GCS
|
|
* Primitive operation required by base class
|
|
* @protected
|
|
*/
|
|
protected async listObjectsUnderPath(prefix: string): Promise<string[]> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.trace(`Listing objects under prefix: ${prefix}`)
|
|
|
|
const [files] = await this.bucket!.getFiles({ prefix })
|
|
|
|
const paths = files.map((file: any) => file.name).filter((name: string) => name && name.length > 0)
|
|
|
|
this.logger.trace(`Found ${paths.length} objects under ${prefix}`)
|
|
return paths
|
|
} catch (error) {
|
|
this.logger.error(`Failed to list objects under ${prefix}:`, error)
|
|
throw new Error(`Failed to list objects under ${prefix}: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Save a verb to storage (internal implementation)
|
|
*/
|
|
protected async saveVerb_internal(verb: HNSWVerb): Promise<void> {
|
|
return this.saveEdge(verb)
|
|
}
|
|
|
|
/**
|
|
* Save an edge to storage
|
|
*/
|
|
protected async saveEdge(edge: Edge): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
// Check volume mode
|
|
this.checkVolumeMode()
|
|
|
|
// Use write buffer in high-volume mode
|
|
if (this.highVolumeMode && this.verbWriteBuffer) {
|
|
this.logger.trace(`📝 BUFFERING: Adding verb ${edge.id} to write buffer`)
|
|
await this.verbWriteBuffer.add(edge.id, edge)
|
|
return
|
|
}
|
|
|
|
// Direct write in normal mode
|
|
await this.saveEdgeDirect(edge)
|
|
}
|
|
|
|
/**
|
|
* Save an edge directly to GCS (bypass buffer)
|
|
*/
|
|
private async saveEdgeDirect(edge: Edge): Promise<void> {
|
|
const requestId = await this.applyBackpressure()
|
|
|
|
try {
|
|
this.logger.trace(`Saving edge ${edge.id}`)
|
|
|
|
// Convert connections Map to serializable format
|
|
// ARCHITECTURAL FIX (v3.50.1): Include core relational fields in verb vector file
|
|
// These fields are essential for 90% of operations - no metadata lookup needed
|
|
const serializableEdge = {
|
|
id: edge.id,
|
|
vector: edge.vector,
|
|
connections: Object.fromEntries(
|
|
Array.from(edge.connections.entries()).map(([level, verbIds]) => [
|
|
level,
|
|
Array.from(verbIds)
|
|
])
|
|
),
|
|
|
|
// CORE RELATIONAL DATA (v3.50.1+)
|
|
verb: edge.verb,
|
|
sourceId: edge.sourceId,
|
|
targetId: edge.targetId,
|
|
|
|
// User metadata (if any) - saved separately for scalability
|
|
// metadata field is saved separately via saveVerbMetadata()
|
|
}
|
|
|
|
// Get the GCS key with UUID-based sharding
|
|
const key = this.getVerbKey(edge.id)
|
|
|
|
// Save to GCS
|
|
const file = this.bucket!.file(key)
|
|
await file.save(JSON.stringify(serializableEdge, null, 2), {
|
|
contentType: 'application/json',
|
|
resumable: false
|
|
})
|
|
|
|
// Update cache
|
|
this.verbCacheManager.set(edge.id, edge)
|
|
|
|
// Count tracking happens in baseStorage.saveVerbMetadata_internal (v4.1.2)
|
|
// This fixes the race condition where metadata didn't exist yet
|
|
|
|
this.logger.trace(`Edge ${edge.id} saved successfully`)
|
|
this.releaseBackpressure(true, requestId)
|
|
} catch (error: any) {
|
|
this.releaseBackpressure(false, requestId)
|
|
|
|
if (this.isThrottlingError(error)) {
|
|
await this.handleThrottling(error)
|
|
throw error
|
|
}
|
|
|
|
this.logger.error(`Failed to save edge ${edge.id}:`, error)
|
|
throw new Error(`Failed to save edge ${edge.id}: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get a verb from storage (internal implementation)
|
|
* v4.0.0: Returns ONLY vector + core relational fields (no metadata field)
|
|
* Base class combines with metadata via getVerb() -> HNSWVerbWithMetadata
|
|
*/
|
|
protected async getVerb_internal(id: string): Promise<HNSWVerb | null> {
|
|
// v4.0.0: Return ONLY vector + core relational data (no metadata field)
|
|
const edge = await this.getEdge(id)
|
|
if (!edge) {
|
|
return null
|
|
}
|
|
|
|
// Return pure vector + core fields structure
|
|
return edge
|
|
}
|
|
|
|
/**
|
|
* Get an edge from storage
|
|
*/
|
|
protected async getEdge(id: string): Promise<Edge | null> {
|
|
await this.ensureInitialized()
|
|
|
|
// Check cache first
|
|
const cached = this.verbCacheManager.get(id)
|
|
if (cached) {
|
|
this.logger.trace(`Cache hit for verb ${id}`)
|
|
return cached
|
|
}
|
|
|
|
const requestId = await this.applyBackpressure()
|
|
|
|
try {
|
|
this.logger.trace(`Getting edge ${id}`)
|
|
|
|
// Get the GCS key with UUID-based sharding
|
|
const key = this.getVerbKey(id)
|
|
|
|
// Download from GCS
|
|
const file = this.bucket!.file(key)
|
|
const [contents] = await file.download()
|
|
|
|
// Parse JSON
|
|
const data = JSON.parse(contents.toString())
|
|
|
|
// Convert serialized connections back to Map
|
|
const connections = new Map<number, Set<string>>()
|
|
for (const [level, verbIds] of Object.entries(data.connections || {})) {
|
|
connections.set(Number(level), new Set(verbIds as string[]))
|
|
}
|
|
|
|
// v4.0.0: Return HNSWVerb with core relational fields (NO metadata field)
|
|
const edge: Edge = {
|
|
id: data.id,
|
|
vector: data.vector,
|
|
connections,
|
|
|
|
// CORE RELATIONAL DATA (read from vector file)
|
|
verb: data.verb,
|
|
sourceId: data.sourceId,
|
|
targetId: data.targetId
|
|
|
|
// ✅ NO metadata field in v4.0.0
|
|
// User metadata retrieved separately via getVerbMetadata()
|
|
}
|
|
|
|
// Update cache
|
|
this.verbCacheManager.set(id, edge)
|
|
|
|
this.logger.trace(`Successfully retrieved edge ${id}`)
|
|
this.releaseBackpressure(true, requestId)
|
|
return edge
|
|
} catch (error: any) {
|
|
this.releaseBackpressure(false, requestId)
|
|
|
|
// Check if this is a "not found" error
|
|
if (error.code === 404) {
|
|
this.logger.trace(`Edge not found: ${id}`)
|
|
return null
|
|
}
|
|
|
|
if (this.isThrottlingError(error)) {
|
|
await this.handleThrottling(error)
|
|
throw error
|
|
}
|
|
|
|
this.logger.error(`Failed to get edge ${id}:`, error)
|
|
throw BrainyError.fromError(error, `getVerb(${id})`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Delete a verb from storage (internal implementation)
|
|
*/
|
|
protected async deleteVerb_internal(id: string): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
const requestId = await this.applyBackpressure()
|
|
|
|
try {
|
|
this.logger.trace(`Deleting verb ${id}`)
|
|
|
|
// Get the GCS key
|
|
const key = this.getVerbKey(id)
|
|
|
|
// Delete from GCS
|
|
const file = this.bucket!.file(key)
|
|
await file.delete()
|
|
|
|
// Remove from cache
|
|
this.verbCacheManager.delete(id)
|
|
|
|
// Decrement verb count
|
|
const metadata = await this.getVerbMetadata(id)
|
|
if (metadata && metadata.type) {
|
|
await this.decrementVerbCount(metadata.type as string)
|
|
}
|
|
|
|
this.logger.trace(`Verb ${id} deleted successfully`)
|
|
this.releaseBackpressure(true, requestId)
|
|
} catch (error: any) {
|
|
this.releaseBackpressure(false, requestId)
|
|
|
|
if (error.code === 404) {
|
|
// Already deleted
|
|
this.logger.trace(`Verb ${id} not found (already deleted)`)
|
|
return
|
|
}
|
|
|
|
if (this.isThrottlingError(error)) {
|
|
await this.handleThrottling(error)
|
|
throw error
|
|
}
|
|
|
|
this.logger.error(`Failed to delete verb ${id}:`, error)
|
|
throw new Error(`Failed to delete verb ${id}: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get nouns with pagination
|
|
* v4.0.0: Returns HNSWNounWithMetadata[] (includes metadata field)
|
|
* Iterates through all UUID-based shards (00-ff) for consistent pagination
|
|
*/
|
|
public async getNounsWithPagination(options: {
|
|
limit?: number
|
|
cursor?: string
|
|
filter?: {
|
|
nounType?: string | string[]
|
|
service?: string | string[]
|
|
metadata?: Record<string, any>
|
|
}
|
|
} = {}): Promise<{
|
|
items: HNSWNounWithMetadata[]
|
|
totalCount?: number
|
|
hasMore: boolean
|
|
nextCursor?: string
|
|
}> {
|
|
await this.ensureInitialized()
|
|
|
|
const limit = options.limit || 100
|
|
const cursor = options.cursor
|
|
|
|
// Get paginated nodes
|
|
const result = await this.getNodesWithPagination({
|
|
limit,
|
|
cursor,
|
|
useCache: true
|
|
})
|
|
|
|
// v4.0.0: Combine nodes with metadata to create HNSWNounWithMetadata[]
|
|
const items: HNSWNounWithMetadata[] = []
|
|
|
|
for (const node of result.nodes) {
|
|
// FIX v4.7.4: Don't skip nouns without metadata - metadata is optional in v4.0.0
|
|
const metadata = await this.getNounMetadata(node.id)
|
|
|
|
// Apply filters if provided
|
|
if (options.filter) {
|
|
// Filter by noun type
|
|
if (options.filter.nounType) {
|
|
const nounTypes = Array.isArray(options.filter.nounType)
|
|
? options.filter.nounType
|
|
: [options.filter.nounType]
|
|
|
|
const nounType = (metadata as any).type || (metadata as any).noun
|
|
if (!nounType || !nounTypes.includes(nounType)) {
|
|
continue
|
|
}
|
|
}
|
|
|
|
// Filter by metadata fields if specified
|
|
if (options.filter.metadata) {
|
|
let metadataMatch = true
|
|
for (const [key, value] of Object.entries(options.filter.metadata)) {
|
|
const metadataValue = (metadata as any)[key]
|
|
if (metadataValue !== value) {
|
|
metadataMatch = false
|
|
break
|
|
}
|
|
}
|
|
if (!metadataMatch) continue
|
|
}
|
|
}
|
|
|
|
// v4.8.0: Extract standard fields from metadata to top-level
|
|
const metadataObj = (metadata || {}) as NounMetadata
|
|
const { noun: nounType, createdAt, updatedAt, confidence, weight, service, data, createdBy, ...customMetadata } = metadataObj
|
|
|
|
const nounWithMetadata: HNSWNounWithMetadata = {
|
|
id: node.id,
|
|
vector: [...node.vector],
|
|
connections: new Map(node.connections),
|
|
level: node.level || 0,
|
|
type: (nounType as NounType) || NounType.Thing,
|
|
createdAt: (createdAt as number) || Date.now(),
|
|
updatedAt: (updatedAt as number) || Date.now(),
|
|
confidence: confidence as number | undefined,
|
|
weight: weight as number | undefined,
|
|
service: service as string | undefined,
|
|
data: data as Record<string, any> | undefined,
|
|
createdBy,
|
|
metadata: customMetadata
|
|
}
|
|
items.push(nounWithMetadata)
|
|
}
|
|
|
|
return {
|
|
items,
|
|
totalCount: result.totalCount,
|
|
hasMore: result.hasMore,
|
|
nextCursor: result.nextCursor
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get nodes with pagination (internal implementation)
|
|
* Iterates through UUID-based shards for consistent pagination
|
|
*/
|
|
private async getNodesWithPagination(options: {
|
|
limit: number
|
|
cursor?: string
|
|
useCache?: boolean
|
|
}): Promise<{
|
|
nodes: HNSWNode[]
|
|
totalCount: number
|
|
hasMore: boolean
|
|
nextCursor?: string
|
|
}> {
|
|
await this.ensureInitialized() // CRITICAL: Must initialize before using this.bucket
|
|
|
|
const limit = options.limit || 100
|
|
const useCache = options.useCache !== false
|
|
|
|
try {
|
|
const nodes: HNSWNode[] = []
|
|
|
|
// Parse cursor (format: "shardIndex:gcsPageToken")
|
|
let startShardIndex = 0
|
|
let gcsPageToken: string | undefined
|
|
if (options.cursor) {
|
|
const parts = options.cursor.split(':', 2)
|
|
startShardIndex = parseInt(parts[0]) || 0
|
|
gcsPageToken = parts[1] || undefined
|
|
}
|
|
|
|
// Iterate through shards starting from cursor position
|
|
for (let shardIndex = startShardIndex; shardIndex < TOTAL_SHARDS; shardIndex++) {
|
|
const shardId = getShardIdByIndex(shardIndex)
|
|
const shardPrefix = `${this.nounPrefix}${shardId}/`
|
|
|
|
// List objects in this shard
|
|
// Cap maxResults to GCS API limit to prevent "Invalid unsigned integer" errors
|
|
const requestedPageSize = limit - nodes.length
|
|
const cappedPageSize = Math.min(requestedPageSize, MAX_GCS_PAGE_SIZE)
|
|
|
|
const [files, , response] = await this.bucket!.getFiles({
|
|
prefix: shardPrefix,
|
|
maxResults: cappedPageSize,
|
|
pageToken: shardIndex === startShardIndex ? gcsPageToken : undefined
|
|
})
|
|
|
|
// Extract node IDs from file names
|
|
if (files && files.length > 0) {
|
|
const nodeIds = files
|
|
.filter((file: any) => file && file.name)
|
|
.map((file: any) => {
|
|
// Extract UUID from: entities/nouns/vectors/ab/ab123456-uuid.json
|
|
let name = file.name!
|
|
if (name.startsWith(shardPrefix)) {
|
|
name = name.substring(shardPrefix.length)
|
|
}
|
|
if (name.endsWith('.json')) {
|
|
name = name.substring(0, name.length - 5)
|
|
}
|
|
return name
|
|
})
|
|
.filter((id: string) => id && id.length > 0)
|
|
|
|
// Load nodes
|
|
for (const id of nodeIds) {
|
|
const node = await this.getNode(id)
|
|
if (node) {
|
|
nodes.push(node)
|
|
}
|
|
|
|
if (nodes.length >= limit) {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check if we have enough nodes or if there are more files in current shard
|
|
if (nodes.length >= limit) {
|
|
const nextCursor = response?.nextPageToken
|
|
? `${shardIndex}:${response.nextPageToken}`
|
|
: shardIndex + 1 < TOTAL_SHARDS
|
|
? `${shardIndex + 1}:`
|
|
: undefined
|
|
|
|
return {
|
|
nodes,
|
|
totalCount: this.totalNounCount,
|
|
hasMore: !!nextCursor,
|
|
nextCursor
|
|
}
|
|
}
|
|
|
|
// If this shard has more pages, create cursor for next page
|
|
if (response?.nextPageToken) {
|
|
return {
|
|
nodes,
|
|
totalCount: this.totalNounCount,
|
|
hasMore: true,
|
|
nextCursor: `${shardIndex}:${response.nextPageToken}`
|
|
}
|
|
}
|
|
|
|
// Continue to next shard
|
|
}
|
|
|
|
// No more shards or nodes
|
|
return {
|
|
nodes,
|
|
totalCount: this.totalNounCount,
|
|
hasMore: false,
|
|
nextCursor: undefined
|
|
}
|
|
} catch (error) {
|
|
this.logger.error('Error in getNodesWithPagination:', error)
|
|
throw new Error(`Failed to get nodes with pagination: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get nouns by noun type (internal implementation)
|
|
*/
|
|
protected async getNounsByNounType_internal(nounType: string): Promise<HNSWNoun[]> {
|
|
const result = await this.getNounsWithPagination({
|
|
limit: 10000, // Large limit for backward compatibility
|
|
filter: { nounType }
|
|
})
|
|
|
|
return result.items
|
|
}
|
|
|
|
/**
|
|
* Get verbs by source ID (internal implementation)
|
|
*/
|
|
protected async getVerbsBySource_internal(sourceId: string): Promise<HNSWVerbWithMetadata[]> {
|
|
// Use the paginated approach to properly handle HNSWVerb to GraphVerb conversion
|
|
const result = await this.getVerbsWithPagination({
|
|
limit: Number.MAX_SAFE_INTEGER,
|
|
filter: { sourceId: [sourceId] }
|
|
})
|
|
|
|
return result.items
|
|
}
|
|
|
|
/**
|
|
* Get verbs by target ID (internal implementation)
|
|
*/
|
|
protected async getVerbsByTarget_internal(targetId: string): Promise<HNSWVerbWithMetadata[]> {
|
|
// Use the paginated approach to properly handle HNSWVerb to GraphVerb conversion
|
|
const result = await this.getVerbsWithPagination({
|
|
limit: Number.MAX_SAFE_INTEGER,
|
|
filter: { targetId: [targetId] }
|
|
})
|
|
|
|
return result.items
|
|
}
|
|
|
|
/**
|
|
* Get verbs by type (internal implementation)
|
|
*/
|
|
protected async getVerbsByType_internal(type: string): Promise<HNSWVerbWithMetadata[]> {
|
|
// Use the paginated approach to properly handle HNSWVerb to GraphVerb conversion
|
|
const result = await this.getVerbsWithPagination({
|
|
limit: Number.MAX_SAFE_INTEGER,
|
|
filter: { verbType: type }
|
|
})
|
|
|
|
return result.items
|
|
}
|
|
|
|
/**
|
|
* Get verbs with pagination
|
|
* v4.0.0: Returns HNSWVerbWithMetadata[] (includes metadata field)
|
|
*/
|
|
public async getVerbsWithPagination(options: {
|
|
limit?: number
|
|
cursor?: string
|
|
filter?: {
|
|
verbType?: string | string[]
|
|
sourceId?: string | string[]
|
|
targetId?: string | string[]
|
|
service?: string | string[]
|
|
metadata?: Record<string, any>
|
|
}
|
|
} = {}): Promise<{
|
|
items: HNSWVerbWithMetadata[]
|
|
totalCount?: number
|
|
hasMore: boolean
|
|
nextCursor?: string
|
|
}> {
|
|
await this.ensureInitialized()
|
|
|
|
const limit = options.limit || 100
|
|
|
|
try {
|
|
// List verbs (simplified - not sharded yet in original implementation)
|
|
// Cap maxResults to GCS API limit to prevent "Invalid unsigned integer" errors
|
|
const cappedLimit = Math.min(limit, MAX_GCS_PAGE_SIZE)
|
|
|
|
const [files, , response] = await this.bucket!.getFiles({
|
|
prefix: this.verbPrefix,
|
|
maxResults: cappedLimit,
|
|
pageToken: options.cursor
|
|
})
|
|
|
|
// If no files, return empty result
|
|
if (!files || files.length === 0) {
|
|
return {
|
|
items: [],
|
|
totalCount: 0,
|
|
hasMore: false,
|
|
nextCursor: undefined
|
|
}
|
|
}
|
|
|
|
// Extract verb IDs and load verbs as HNSW verbs
|
|
const hnswVerbs: HNSWVerb[] = []
|
|
for (const file of files) {
|
|
if (!file.name) continue
|
|
|
|
// Extract UUID from path
|
|
let name = file.name
|
|
if (name.startsWith(this.verbPrefix)) {
|
|
name = name.substring(this.verbPrefix.length)
|
|
}
|
|
if (name.endsWith('.json')) {
|
|
name = name.substring(0, name.length - 5)
|
|
}
|
|
|
|
const verb = await this.getEdge(name)
|
|
if (verb) {
|
|
hnswVerbs.push(verb)
|
|
}
|
|
}
|
|
|
|
// v4.0.0: Combine HNSWVerbs with metadata to create HNSWVerbWithMetadata[]
|
|
const items: HNSWVerbWithMetadata[] = []
|
|
for (const hnswVerb of hnswVerbs) {
|
|
const metadata = await this.getVerbMetadata(hnswVerb.id)
|
|
|
|
// Apply filters
|
|
if (options.filter) {
|
|
// v4.0.0: Core fields (verb, sourceId, targetId) are in HNSWVerb structure
|
|
if (options.filter.sourceId) {
|
|
const sourceIds = Array.isArray(options.filter.sourceId)
|
|
? options.filter.sourceId
|
|
: [options.filter.sourceId]
|
|
if (!hnswVerb.sourceId || !sourceIds.includes(hnswVerb.sourceId)) {
|
|
continue
|
|
}
|
|
}
|
|
|
|
if (options.filter.targetId) {
|
|
const targetIds = Array.isArray(options.filter.targetId)
|
|
? options.filter.targetId
|
|
: [options.filter.targetId]
|
|
if (!hnswVerb.targetId || !targetIds.includes(hnswVerb.targetId)) {
|
|
continue
|
|
}
|
|
}
|
|
|
|
if (options.filter.verbType) {
|
|
const verbTypes = Array.isArray(options.filter.verbType)
|
|
? options.filter.verbType
|
|
: [options.filter.verbType]
|
|
if (!hnswVerb.verb || !verbTypes.includes(hnswVerb.verb)) {
|
|
continue
|
|
}
|
|
}
|
|
|
|
// Filter by metadata fields if specified
|
|
if (options.filter.metadata && metadata) {
|
|
let metadataMatch = true
|
|
for (const [key, value] of Object.entries(options.filter.metadata)) {
|
|
const metadataValue = (metadata as any)[key]
|
|
if (metadataValue !== value) {
|
|
metadataMatch = false
|
|
break
|
|
}
|
|
}
|
|
if (!metadataMatch) continue
|
|
}
|
|
}
|
|
|
|
// v4.8.0: Extract standard fields from metadata to top-level
|
|
const metadataObj = (metadata || {}) as VerbMetadata
|
|
const { createdAt, updatedAt, confidence, weight, service, data, createdBy, ...customMetadata } = metadataObj
|
|
|
|
const verbWithMetadata: HNSWVerbWithMetadata = {
|
|
id: hnswVerb.id,
|
|
vector: [...hnswVerb.vector],
|
|
connections: new Map(hnswVerb.connections),
|
|
verb: hnswVerb.verb,
|
|
sourceId: hnswVerb.sourceId,
|
|
targetId: hnswVerb.targetId,
|
|
createdAt: (createdAt as number) || Date.now(),
|
|
updatedAt: (updatedAt as number) || Date.now(),
|
|
confidence: confidence as number | undefined,
|
|
weight: weight as number | undefined,
|
|
service: service as string | undefined,
|
|
data: data as Record<string, any> | undefined,
|
|
createdBy,
|
|
metadata: customMetadata
|
|
}
|
|
items.push(verbWithMetadata)
|
|
}
|
|
|
|
return {
|
|
items,
|
|
totalCount: this.totalVerbCount,
|
|
hasMore: !!response?.nextPageToken,
|
|
nextCursor: response?.nextPageToken
|
|
}
|
|
} catch (error) {
|
|
this.logger.error('Error in getVerbsWithPagination:', error)
|
|
throw new Error(`Failed to get verbs with pagination: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get nouns with filtering and pagination (public API)
|
|
*/
|
|
public async getNouns(options?: {
|
|
pagination?: {
|
|
offset?: number
|
|
limit?: number
|
|
cursor?: string
|
|
}
|
|
filter?: {
|
|
nounType?: string | string[]
|
|
service?: string | string[]
|
|
metadata?: Record<string, any>
|
|
}
|
|
}): Promise<{
|
|
items: any[]
|
|
totalCount?: number
|
|
hasMore: boolean
|
|
nextCursor?: string
|
|
}> {
|
|
const limit = options?.pagination?.limit || 100
|
|
const cursor = options?.pagination?.cursor
|
|
|
|
return this.getNounsWithPagination({
|
|
limit,
|
|
cursor,
|
|
filter: options?.filter
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Get verbs with filtering and pagination (public API)
|
|
* v4.0.0: Returns HNSWVerbWithMetadata[] (includes metadata field)
|
|
*/
|
|
public async getVerbs(options?: {
|
|
pagination?: {
|
|
offset?: number
|
|
limit?: number
|
|
cursor?: string
|
|
}
|
|
filter?: {
|
|
verbType?: string | string[]
|
|
sourceId?: string | string[]
|
|
targetId?: string | string[]
|
|
service?: string | string[]
|
|
metadata?: Record<string, any>
|
|
}
|
|
}): Promise<{
|
|
items: HNSWVerbWithMetadata[]
|
|
totalCount?: number
|
|
hasMore: boolean
|
|
nextCursor?: string
|
|
}> {
|
|
const limit = options?.pagination?.limit || 100
|
|
const cursor = options?.pagination?.cursor
|
|
|
|
return this.getVerbsWithPagination({
|
|
limit,
|
|
cursor,
|
|
filter: options?.filter
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Batch fetch metadata for multiple noun IDs (efficient for large queries)
|
|
* Uses smaller batches to prevent GCS socket exhaustion
|
|
* @param ids Array of noun IDs to fetch metadata for
|
|
* @returns Map of ID to metadata
|
|
*/
|
|
public async getMetadataBatch(ids: string[]): Promise<Map<string, any>> {
|
|
await this.ensureInitialized()
|
|
|
|
const results = new Map<string, any>()
|
|
const batchSize = 10 // Smaller batches for metadata to prevent socket exhaustion
|
|
|
|
// Process in smaller batches
|
|
for (let i = 0; i < ids.length; i += batchSize) {
|
|
const batch = ids.slice(i, i + batchSize)
|
|
|
|
const batchPromises = batch.map(async (id) => {
|
|
try {
|
|
// CRITICAL: Use getNounMetadata() instead of deprecated getMetadata()
|
|
// This ensures we fetch from the correct noun metadata store (2-file system)
|
|
const metadata = await this.getNounMetadata(id)
|
|
return { id, metadata }
|
|
} catch (error: any) {
|
|
// Handle GCS-specific errors
|
|
if (this.isThrottlingError(error)) {
|
|
await this.handleThrottling(error)
|
|
}
|
|
this.logger.debug(`Failed to read metadata for ${id}:`, error)
|
|
return { id, metadata: null }
|
|
}
|
|
})
|
|
|
|
const batchResults = await Promise.all(batchPromises)
|
|
|
|
for (const { id, metadata } of batchResults) {
|
|
if (metadata !== null) {
|
|
results.set(id, metadata)
|
|
}
|
|
}
|
|
|
|
// Small yield between batches to prevent overwhelming GCS
|
|
await new Promise(resolve => setImmediate(resolve))
|
|
}
|
|
|
|
return results
|
|
}
|
|
|
|
/**
|
|
* Clear all data from storage
|
|
*/
|
|
public async clear(): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info('🧹 Clearing all data from GCS bucket...')
|
|
|
|
// Helper function to delete all objects with a given prefix
|
|
const deleteObjectsWithPrefix = async (prefix: string): Promise<void> => {
|
|
const [files] = await this.bucket!.getFiles({ prefix })
|
|
|
|
if (!files || files.length === 0) {
|
|
return
|
|
}
|
|
|
|
// Delete each file
|
|
for (const file of files) {
|
|
await file.delete()
|
|
}
|
|
}
|
|
|
|
// Clear all data directories
|
|
await deleteObjectsWithPrefix(this.nounPrefix)
|
|
await deleteObjectsWithPrefix(this.verbPrefix)
|
|
await deleteObjectsWithPrefix(this.metadataPrefix)
|
|
await deleteObjectsWithPrefix(this.verbMetadataPrefix)
|
|
await deleteObjectsWithPrefix(this.systemPrefix)
|
|
|
|
// Clear caches
|
|
this.nounCacheManager.clear()
|
|
this.verbCacheManager.clear()
|
|
|
|
// Reset counts
|
|
this.totalNounCount = 0
|
|
this.totalVerbCount = 0
|
|
this.entityCounts.clear()
|
|
this.verbCounts.clear()
|
|
|
|
this.logger.info('✅ All data cleared from GCS')
|
|
} catch (error) {
|
|
this.logger.error('Failed to clear GCS storage:', error)
|
|
throw new Error(`Failed to clear GCS storage: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get storage status
|
|
*/
|
|
public async getStorageStatus(): Promise<{
|
|
type: string
|
|
used: number
|
|
quota: number | null
|
|
details?: Record<string, any>
|
|
}> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
// Get bucket metadata
|
|
const [metadata] = await this.bucket!.getMetadata()
|
|
|
|
return {
|
|
type: 'gcs', // Consistent with new naming (native SDK is just 'gcs')
|
|
used: 0, // GCS doesn't provide usage info easily
|
|
quota: null, // No quota in GCS
|
|
details: {
|
|
bucket: this.bucketName,
|
|
location: metadata.location,
|
|
storageClass: metadata.storageClass,
|
|
created: metadata.timeCreated,
|
|
sdk: 'native' // Indicate we're using native SDK
|
|
}
|
|
}
|
|
} catch (error) {
|
|
this.logger.error('Failed to get storage status:', error)
|
|
return {
|
|
type: 'gcs', // Consistent with new naming
|
|
used: 0,
|
|
quota: null
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Save statistics data to storage
|
|
*/
|
|
protected async saveStatisticsData(statistics: StatisticsData): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
const key = `${this.systemPrefix}${STATISTICS_KEY}.json`
|
|
|
|
this.logger.trace(`Saving statistics to ${key}`)
|
|
|
|
const file = this.bucket!.file(key)
|
|
await file.save(JSON.stringify(statistics, null, 2), {
|
|
contentType: 'application/json',
|
|
resumable: false
|
|
})
|
|
|
|
this.logger.trace('Statistics saved successfully')
|
|
} catch (error) {
|
|
this.logger.error('Failed to save statistics:', error)
|
|
throw new Error(`Failed to save statistics: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get statistics data from storage
|
|
*/
|
|
protected async getStatisticsData(): Promise<StatisticsData | null> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
const key = `${this.systemPrefix}${STATISTICS_KEY}.json`
|
|
|
|
this.logger.trace(`Getting statistics from ${key}`)
|
|
|
|
const file = this.bucket!.file(key)
|
|
const [contents] = await file.download()
|
|
|
|
const statistics = JSON.parse(contents.toString())
|
|
|
|
this.logger.trace('Statistics retrieved successfully')
|
|
|
|
// CRITICAL FIX: Populate totalNodes and totalEdges from in-memory counts
|
|
// HNSW rebuild depends on these fields to determine entity count
|
|
return {
|
|
...statistics,
|
|
totalNodes: this.totalNounCount,
|
|
totalEdges: this.totalVerbCount,
|
|
lastUpdated: new Date().toISOString()
|
|
}
|
|
} catch (error: any) {
|
|
if (error.code === 404) {
|
|
// CRITICAL FIX (v3.37.4): Statistics file doesn't exist yet (first restart)
|
|
// Return minimal stats with counts instead of null
|
|
// This prevents HNSW from seeing entityCount=0 during index rebuild
|
|
this.logger.trace('Statistics file not found - returning minimal stats with counts')
|
|
return {
|
|
nounCount: {},
|
|
verbCount: {},
|
|
metadataCount: {},
|
|
hnswIndexSize: 0,
|
|
totalNodes: this.totalNounCount,
|
|
totalEdges: this.totalVerbCount,
|
|
totalMetadata: 0,
|
|
lastUpdated: new Date().toISOString()
|
|
}
|
|
}
|
|
|
|
this.logger.error('Failed to get statistics:', error)
|
|
return null
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initialize counts from storage
|
|
*/
|
|
protected async initializeCounts(): Promise<void> {
|
|
// Skip counts file entirely if configured
|
|
if (this.skipCountsFile) {
|
|
prodLog.info('📊 Skipping counts file (skipCountsFile: true)')
|
|
this.totalNounCount = 0
|
|
this.totalVerbCount = 0
|
|
this.entityCounts = new Map()
|
|
this.verbCounts = new Map()
|
|
return
|
|
}
|
|
|
|
const key = `${this.systemPrefix}counts.json`
|
|
|
|
try {
|
|
const file = this.bucket!.file(key)
|
|
const [contents] = await file.download()
|
|
|
|
const counts = JSON.parse(contents.toString())
|
|
|
|
this.totalNounCount = counts.totalNounCount || 0
|
|
this.totalVerbCount = counts.totalVerbCount || 0
|
|
this.entityCounts = new Map(Object.entries(counts.entityCounts || {})) as Map<string, number>
|
|
this.verbCounts = new Map(Object.entries(counts.verbCounts || {})) as Map<string, number>
|
|
|
|
prodLog.info(`📊 Loaded counts from storage: ${this.totalNounCount} nouns, ${this.totalVerbCount} verbs`)
|
|
} catch (error: any) {
|
|
if (error.code === 404) {
|
|
// No counts file yet
|
|
if (this.skipInitialScan) {
|
|
prodLog.info('📊 No counts file found - starting with zero counts (skipInitialScan: true)')
|
|
this.totalNounCount = 0
|
|
this.totalVerbCount = 0
|
|
this.entityCounts = new Map()
|
|
this.verbCounts = new Map()
|
|
} else {
|
|
// Initialize from scan (first-time setup or counts not persisted)
|
|
prodLog.info('📊 No counts file found - scanning bucket to initialize counts')
|
|
await this.initializeCountsFromScan()
|
|
}
|
|
} else {
|
|
// CRITICAL FIX: Don't silently fail on network/permission errors
|
|
this.logger.error('❌ CRITICAL: Failed to load counts from GCS:', error)
|
|
prodLog.error(`❌ Error loading ${key}: ${error.message}`)
|
|
|
|
if (this.skipInitialScan) {
|
|
prodLog.warn('⚠️ Starting with zero counts due to error (skipInitialScan: true)')
|
|
this.totalNounCount = 0
|
|
this.totalVerbCount = 0
|
|
this.entityCounts = new Map()
|
|
this.verbCounts = new Map()
|
|
} else {
|
|
// Try to recover by scanning the bucket
|
|
prodLog.warn('⚠️ Attempting recovery by scanning GCS bucket...')
|
|
await this.initializeCountsFromScan()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initialize counts from storage scan (expensive - only for first-time init)
|
|
* Includes timeout handling to prevent Cloud Run startup failures
|
|
*/
|
|
private async initializeCountsFromScan(): Promise<void> {
|
|
const SCAN_TIMEOUT_MS = 120000 // 2 minutes timeout
|
|
|
|
try {
|
|
prodLog.info('📊 Scanning GCS bucket to initialize counts...')
|
|
prodLog.info(`🔍 Noun prefix: ${this.nounPrefix}`)
|
|
prodLog.info(`🔍 Verb prefix: ${this.verbPrefix}`)
|
|
prodLog.info(`⏱️ Timeout: ${SCAN_TIMEOUT_MS / 1000}s (configure skipInitialScan to avoid this)`)
|
|
|
|
// Create timeout promise
|
|
const timeoutPromise = new Promise<never>((_, reject) => {
|
|
setTimeout(() => {
|
|
reject(new Error(`Bucket scan timeout after ${SCAN_TIMEOUT_MS / 1000}s`))
|
|
}, SCAN_TIMEOUT_MS)
|
|
})
|
|
|
|
// Count nouns with timeout
|
|
const nounScanPromise = this.bucket!.getFiles({ prefix: this.nounPrefix })
|
|
const [nounFiles] = await Promise.race([nounScanPromise, timeoutPromise]) as any
|
|
|
|
prodLog.info(`🔍 Found ${nounFiles?.length || 0} total files under noun prefix`)
|
|
|
|
const jsonNounFiles = nounFiles?.filter((f: any) => f.name?.endsWith('.json')) || []
|
|
this.totalNounCount = jsonNounFiles.length
|
|
|
|
if (jsonNounFiles.length > 0 && jsonNounFiles.length <= 5) {
|
|
prodLog.info(`📄 Sample noun files: ${jsonNounFiles.slice(0, 5).map((f: any) => f.name).join(', ')}`)
|
|
}
|
|
|
|
// Count verbs with timeout
|
|
const verbScanPromise = this.bucket!.getFiles({ prefix: this.verbPrefix })
|
|
const [verbFiles] = await Promise.race([verbScanPromise, timeoutPromise]) as any
|
|
|
|
prodLog.info(`🔍 Found ${verbFiles?.length || 0} total files under verb prefix`)
|
|
|
|
const jsonVerbFiles = verbFiles?.filter((f: any) => f.name?.endsWith('.json')) || []
|
|
this.totalVerbCount = jsonVerbFiles.length
|
|
|
|
if (jsonVerbFiles.length > 0 && jsonVerbFiles.length <= 5) {
|
|
prodLog.info(`📄 Sample verb files: ${jsonVerbFiles.slice(0, 5).map((f: any) => f.name).join(', ')}`)
|
|
}
|
|
|
|
// Save initial counts
|
|
if (this.totalNounCount > 0 || this.totalVerbCount > 0) {
|
|
await this.persistCounts()
|
|
prodLog.info(`✅ Initialized counts from scan: ${this.totalNounCount} nouns, ${this.totalVerbCount} verbs`)
|
|
} else {
|
|
prodLog.warn(`⚠️ No entities found during bucket scan. Check that entities exist and prefixes are correct.`)
|
|
}
|
|
} catch (error: any) {
|
|
// Handle timeout specifically
|
|
if (error.message?.includes('Bucket scan timeout')) {
|
|
prodLog.error(`❌ TIMEOUT: Bucket scan exceeded ${SCAN_TIMEOUT_MS / 1000}s limit`)
|
|
prodLog.error(` This typically happens with large buckets in Cloud Run deployments.`)
|
|
prodLog.error(` Solutions:`)
|
|
prodLog.error(` 1. Increase Cloud Run timeout: timeoutSeconds: 600`)
|
|
prodLog.error(` 2. Use skipInitialScan: true in gcsNativeStorage config`)
|
|
prodLog.error(` 3. Pre-create counts file before deployment`)
|
|
prodLog.warn(`⚠️ Starting with zero counts due to timeout`)
|
|
this.totalNounCount = 0
|
|
this.totalVerbCount = 0
|
|
this.entityCounts = new Map()
|
|
this.verbCounts = new Map()
|
|
return
|
|
}
|
|
|
|
// CRITICAL FIX: Don't silently fail - this prevents data loss scenarios
|
|
this.logger.error('❌ CRITICAL: Failed to initialize counts from GCS bucket scan:', error)
|
|
prodLog.error(` Error: ${error.message || String(error)}`)
|
|
prodLog.warn(`⚠️ Starting with zero counts due to error`)
|
|
this.totalNounCount = 0
|
|
this.totalVerbCount = 0
|
|
this.entityCounts = new Map()
|
|
this.verbCounts = new Map()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Persist counts to storage
|
|
*/
|
|
protected async persistCounts(): Promise<void> {
|
|
// Skip if skipCountsFile is enabled
|
|
if (this.skipCountsFile) {
|
|
return
|
|
}
|
|
|
|
try {
|
|
const key = `${this.systemPrefix}counts.json`
|
|
|
|
const counts = {
|
|
totalNounCount: this.totalNounCount,
|
|
totalVerbCount: this.totalVerbCount,
|
|
entityCounts: Object.fromEntries(this.entityCounts),
|
|
verbCounts: Object.fromEntries(this.verbCounts),
|
|
lastUpdated: new Date().toISOString()
|
|
}
|
|
|
|
const file = this.bucket!.file(key)
|
|
await file.save(JSON.stringify(counts, null, 2), {
|
|
contentType: 'application/json',
|
|
resumable: false
|
|
})
|
|
} catch (error) {
|
|
this.logger.error('Error persisting counts:', error)
|
|
}
|
|
}
|
|
|
|
// HNSW Index Persistence (v3.35.0+)
|
|
|
|
/**
|
|
* Get a noun's vector for HNSW rebuild
|
|
*/
|
|
public async getNounVector(id: string): Promise<number[] | null> {
|
|
await this.ensureInitialized()
|
|
const noun = await this.getNode(id)
|
|
return noun ? noun.vector : null
|
|
}
|
|
|
|
/**
|
|
* Save HNSW graph data for a noun
|
|
* Storage path: entities/nouns/hnsw/{shard}/{id}.json
|
|
*/
|
|
public async saveHNSWData(nounId: string, hnswData: {
|
|
level: number
|
|
connections: Record<string, string[]>
|
|
}): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
// CRITICAL FIX (v4.7.3): Must preserve existing node data (id, vector) when updating HNSW metadata
|
|
// Previous implementation overwrote the entire file, destroying vector data
|
|
// Now we READ the existing node, UPDATE only connections/level, then WRITE back the complete node
|
|
|
|
// CRITICAL FIX (v4.10.1): Optimistic locking with generation numbers to prevent race conditions
|
|
// Uses GCS generation preconditions - retries with exponential backoff on conflicts
|
|
// Prevents data corruption when multiple entities connect to same neighbor simultaneously
|
|
|
|
const shard = getShardIdFromUuid(nounId)
|
|
const key = `entities/nouns/hnsw/${shard}/${nounId}.json`
|
|
const file = this.bucket!.file(key)
|
|
|
|
const maxRetries = 5
|
|
for (let attempt = 0; attempt < maxRetries; attempt++) {
|
|
try {
|
|
// Get current generation and data
|
|
let currentGeneration: string | undefined
|
|
let existingNode: any = {}
|
|
|
|
try {
|
|
// Download file and get metadata in parallel
|
|
const [data, metadata] = await Promise.all([
|
|
file.download(),
|
|
file.getMetadata()
|
|
])
|
|
existingNode = JSON.parse(data[0].toString('utf-8'))
|
|
currentGeneration = metadata[0].generation?.toString()
|
|
} catch (error: any) {
|
|
// File doesn't exist yet - will create new
|
|
if (error.code !== 404) {
|
|
throw error
|
|
}
|
|
}
|
|
|
|
// Preserve id and vector, update only HNSW graph metadata
|
|
const updatedNode = {
|
|
...existingNode, // Preserve all existing fields (id, vector, etc.)
|
|
level: hnswData.level,
|
|
connections: hnswData.connections
|
|
}
|
|
|
|
// ATOMIC WRITE: Use generation precondition
|
|
// If currentGeneration exists, only write if generation matches (no concurrent modification)
|
|
// If no generation, only write if file doesn't exist (ifGenerationMatch: 0)
|
|
await file.save(JSON.stringify(updatedNode, null, 2), {
|
|
contentType: 'application/json',
|
|
resumable: false,
|
|
preconditionOpts: currentGeneration
|
|
? { ifGenerationMatch: currentGeneration }
|
|
: { ifGenerationMatch: '0' } // Only create if doesn't exist
|
|
})
|
|
|
|
// Success! Exit retry loop
|
|
return
|
|
} catch (error: any) {
|
|
// Precondition failed (412) - concurrent modification detected
|
|
if (error.code === 412) {
|
|
if (attempt === maxRetries - 1) {
|
|
this.logger.error(`Max retries (${maxRetries}) exceeded for ${nounId} - concurrent modification conflict`)
|
|
throw new Error(`Failed to save HNSW data for ${nounId}: max retries exceeded due to concurrent modifications`)
|
|
}
|
|
|
|
// Exponential backoff: 50ms, 100ms, 200ms, 400ms, 800ms
|
|
const backoffMs = 50 * Math.pow(2, attempt)
|
|
await new Promise(resolve => setTimeout(resolve, backoffMs))
|
|
continue
|
|
}
|
|
|
|
// Other error - rethrow
|
|
this.logger.error(`Failed to save HNSW data for ${nounId}:`, error)
|
|
throw new Error(`Failed to save HNSW data for ${nounId}: ${error}`)
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get HNSW graph data for a noun
|
|
* Storage path: entities/nouns/hnsw/{shard}/{id}.json
|
|
*/
|
|
public async getHNSWData(nounId: string): Promise<{
|
|
level: number
|
|
connections: Record<string, string[]>
|
|
} | null> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
const shard = getShardIdFromUuid(nounId)
|
|
const key = `entities/nouns/hnsw/${shard}/${nounId}.json`
|
|
|
|
const file = this.bucket!.file(key)
|
|
const [contents] = await file.download()
|
|
|
|
return JSON.parse(contents.toString())
|
|
} catch (error: any) {
|
|
if (error.code === 404) {
|
|
return null
|
|
}
|
|
|
|
this.logger.error(`Failed to get HNSW data for ${nounId}:`, error)
|
|
throw new Error(`Failed to get HNSW data for ${nounId}: ${error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Save HNSW system data (entry point, max level)
|
|
* Storage path: system/hnsw-system.json
|
|
*
|
|
* CRITICAL FIX (v4.10.1): Optimistic locking with generation numbers to prevent race conditions
|
|
*/
|
|
public async saveHNSWSystem(systemData: {
|
|
entryPointId: string | null
|
|
maxLevel: number
|
|
}): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
const key = `${this.systemPrefix}hnsw-system.json`
|
|
const file = this.bucket!.file(key)
|
|
|
|
const maxRetries = 5
|
|
for (let attempt = 0; attempt < maxRetries; attempt++) {
|
|
try {
|
|
// Get current generation
|
|
let currentGeneration: string | undefined
|
|
|
|
try {
|
|
const [metadata] = await file.getMetadata()
|
|
currentGeneration = metadata.generation?.toString()
|
|
} catch (error: any) {
|
|
// File doesn't exist yet
|
|
if (error.code !== 404) {
|
|
throw error
|
|
}
|
|
}
|
|
|
|
// ATOMIC WRITE: Use generation precondition
|
|
await file.save(JSON.stringify(systemData, null, 2), {
|
|
contentType: 'application/json',
|
|
resumable: false,
|
|
preconditionOpts: currentGeneration
|
|
? { ifGenerationMatch: currentGeneration }
|
|
: { ifGenerationMatch: '0' }
|
|
})
|
|
|
|
// Success!
|
|
return
|
|
} catch (error: any) {
|
|
// Precondition failed - concurrent modification
|
|
if (error.code === 412) {
|
|
if (attempt === maxRetries - 1) {
|
|
this.logger.error(`Max retries (${maxRetries}) exceeded for HNSW system data`)
|
|
throw new Error('Failed to save HNSW system data: max retries exceeded due to concurrent modifications')
|
|
}
|
|
|
|
const backoffMs = 50 * Math.pow(2, attempt)
|
|
await new Promise(resolve => setTimeout(resolve, backoffMs))
|
|
continue
|
|
}
|
|
|
|
// Other error - rethrow
|
|
this.logger.error('Failed to save HNSW system data:', error)
|
|
throw new Error(`Failed to save HNSW system data: ${error}`)
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get HNSW system data (entry point, max level)
|
|
* Storage path: system/hnsw-system.json
|
|
*/
|
|
public async getHNSWSystem(): Promise<{
|
|
entryPointId: string | null
|
|
maxLevel: number
|
|
} | null> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
const key = `${this.systemPrefix}hnsw-system.json`
|
|
|
|
const file = this.bucket!.file(key)
|
|
const [contents] = await file.download()
|
|
|
|
return JSON.parse(contents.toString())
|
|
} catch (error: any) {
|
|
if (error.code === 404) {
|
|
return null
|
|
}
|
|
|
|
this.logger.error('Failed to get HNSW system data:', error)
|
|
throw new Error(`Failed to get HNSW system data: ${error}`)
|
|
}
|
|
}
|
|
|
|
// ============================================================================
|
|
// GCS Lifecycle Management & Autoclass (v4.0.0)
|
|
// Cost optimization through automatic tier transitions and Autoclass
|
|
// ============================================================================
|
|
|
|
/**
|
|
* Set lifecycle policy for automatic tier transitions and deletions
|
|
*
|
|
* GCS Storage Classes:
|
|
* - STANDARD: Hot data, most expensive (~$0.020/GB/month)
|
|
* - NEARLINE: <1 access/month (~$0.010/GB/month, 50% cheaper)
|
|
* - COLDLINE: <1 access/quarter (~$0.004/GB/month, 80% cheaper)
|
|
* - ARCHIVE: <1 access/year (~$0.0012/GB/month, 94% cheaper!)
|
|
*
|
|
* Example usage:
|
|
* ```typescript
|
|
* await storage.setLifecyclePolicy({
|
|
* rules: [
|
|
* {
|
|
* action: { type: 'SetStorageClass', storageClass: 'NEARLINE' },
|
|
* condition: { age: 30 }
|
|
* },
|
|
* {
|
|
* action: { type: 'SetStorageClass', storageClass: 'COLDLINE' },
|
|
* condition: { age: 90 }
|
|
* },
|
|
* {
|
|
* action: { type: 'Delete' },
|
|
* condition: { age: 365 }
|
|
* }
|
|
* ]
|
|
* })
|
|
* ```
|
|
*
|
|
* @param options Lifecycle configuration with rules for transitions and deletions
|
|
*/
|
|
public async setLifecyclePolicy(options: {
|
|
rules: Array<{
|
|
action: {
|
|
type: 'Delete' | 'SetStorageClass'
|
|
storageClass?: 'STANDARD' | 'NEARLINE' | 'COLDLINE' | 'ARCHIVE'
|
|
}
|
|
condition: {
|
|
age?: number // Days since object creation
|
|
createdBefore?: string // ISO 8601 date
|
|
matchesPrefix?: string[]
|
|
matchesSuffix?: string[]
|
|
}
|
|
}>
|
|
}): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info(`Setting GCS lifecycle policy with ${options.rules.length} rules`)
|
|
|
|
// GCS lifecycle rules format
|
|
const lifecycleRules = options.rules.map(rule => {
|
|
const gcsRule: any = {
|
|
action: {
|
|
type: rule.action.type
|
|
},
|
|
condition: {}
|
|
}
|
|
|
|
// Add storage class for SetStorageClass action
|
|
if (rule.action.type === 'SetStorageClass' && rule.action.storageClass) {
|
|
gcsRule.action.storageClass = rule.action.storageClass
|
|
}
|
|
|
|
// Add conditions
|
|
if (rule.condition.age !== undefined) {
|
|
gcsRule.condition.age = rule.condition.age
|
|
}
|
|
if (rule.condition.createdBefore) {
|
|
gcsRule.condition.createdBefore = rule.condition.createdBefore
|
|
}
|
|
if (rule.condition.matchesPrefix) {
|
|
gcsRule.condition.matchesPrefix = rule.condition.matchesPrefix
|
|
}
|
|
if (rule.condition.matchesSuffix) {
|
|
gcsRule.condition.matchesSuffix = rule.condition.matchesSuffix
|
|
}
|
|
|
|
return gcsRule
|
|
})
|
|
|
|
// Update bucket lifecycle configuration
|
|
await this.bucket!.setMetadata({
|
|
lifecycle: {
|
|
rule: lifecycleRules
|
|
}
|
|
})
|
|
|
|
this.logger.info(`Successfully set lifecycle policy with ${options.rules.length} rules`)
|
|
} catch (error: any) {
|
|
this.logger.error('Failed to set lifecycle policy:', error)
|
|
throw new Error(`Failed to set GCS lifecycle policy: ${error.message || error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get current lifecycle policy configuration
|
|
*
|
|
* @returns Lifecycle configuration with all rules, or null if no policy is set
|
|
*/
|
|
public async getLifecyclePolicy(): Promise<{
|
|
rules: Array<{
|
|
action: {
|
|
type: string
|
|
storageClass?: string
|
|
}
|
|
condition: {
|
|
age?: number
|
|
createdBefore?: string
|
|
matchesPrefix?: string[]
|
|
matchesSuffix?: string[]
|
|
}
|
|
}>
|
|
} | null> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info('Getting GCS lifecycle policy')
|
|
|
|
const [metadata] = await this.bucket!.getMetadata()
|
|
|
|
if (!metadata.lifecycle || !metadata.lifecycle.rule || metadata.lifecycle.rule.length === 0) {
|
|
this.logger.info('No lifecycle policy configured')
|
|
return null
|
|
}
|
|
|
|
// Convert GCS format to our format
|
|
const rules = metadata.lifecycle.rule.map((rule: any) => ({
|
|
action: {
|
|
type: rule.action.type,
|
|
...(rule.action.storageClass && { storageClass: rule.action.storageClass })
|
|
},
|
|
condition: {
|
|
...(rule.condition.age !== undefined && { age: rule.condition.age }),
|
|
...(rule.condition.createdBefore && { createdBefore: rule.condition.createdBefore }),
|
|
...(rule.condition.matchesPrefix && { matchesPrefix: rule.condition.matchesPrefix }),
|
|
...(rule.condition.matchesSuffix && { matchesSuffix: rule.condition.matchesSuffix })
|
|
}
|
|
}))
|
|
|
|
this.logger.info(`Found lifecycle policy with ${rules.length} rules`)
|
|
|
|
return { rules }
|
|
} catch (error: any) {
|
|
this.logger.error('Failed to get lifecycle policy:', error)
|
|
throw new Error(`Failed to get GCS lifecycle policy: ${error.message || error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove lifecycle policy from bucket
|
|
*/
|
|
public async removeLifecyclePolicy(): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info('Removing GCS lifecycle policy')
|
|
|
|
// Remove lifecycle configuration
|
|
await this.bucket!.setMetadata({
|
|
lifecycle: null
|
|
})
|
|
|
|
this.logger.info('Successfully removed lifecycle policy')
|
|
} catch (error: any) {
|
|
this.logger.error('Failed to remove lifecycle policy:', error)
|
|
throw new Error(`Failed to remove GCS lifecycle policy: ${error.message || error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Enable Autoclass for automatic storage class optimization
|
|
*
|
|
* GCS Autoclass automatically moves objects between storage classes based on access patterns:
|
|
* - Frequent Access → STANDARD
|
|
* - Infrequent Access (30 days) → NEARLINE
|
|
* - Rarely Accessed (90 days) → COLDLINE
|
|
* - Archive Access (365 days) → ARCHIVE
|
|
*
|
|
* Benefits:
|
|
* - Automatic optimization based on access patterns (no manual rules needed)
|
|
* - No early deletion fees
|
|
* - No retrieval fees for NEARLINE/COLDLINE (only ARCHIVE has retrieval fees)
|
|
* - Up to 94% cost savings automatically
|
|
*
|
|
* Note: Autoclass is a bucket-level feature that requires bucket.update permission.
|
|
* It cannot be enabled per-object or per-prefix.
|
|
*
|
|
* @param options Autoclass configuration
|
|
*/
|
|
public async enableAutoclass(options: {
|
|
terminalStorageClass?: 'NEARLINE' | 'ARCHIVE' // Coldest storage class to use
|
|
} = {}): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info('Enabling GCS Autoclass')
|
|
|
|
const autoclassConfig: any = {
|
|
enabled: true
|
|
}
|
|
|
|
// Set terminal storage class if specified
|
|
if (options.terminalStorageClass) {
|
|
autoclassConfig.terminalStorageClass = options.terminalStorageClass
|
|
}
|
|
|
|
await this.bucket!.setMetadata({
|
|
autoclass: autoclassConfig
|
|
})
|
|
|
|
this.logger.info(`Successfully enabled Autoclass${options.terminalStorageClass ? ` with terminal class ${options.terminalStorageClass}` : ''}`)
|
|
} catch (error: any) {
|
|
this.logger.error('Failed to enable Autoclass:', error)
|
|
throw new Error(`Failed to enable GCS Autoclass: ${error.message || error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get Autoclass configuration and status
|
|
*
|
|
* @returns Autoclass status, or null if not configured
|
|
*/
|
|
public async getAutoclassStatus(): Promise<{
|
|
enabled: boolean
|
|
terminalStorageClass?: string
|
|
toggleTime?: string
|
|
} | null> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info('Getting GCS Autoclass status')
|
|
|
|
const [metadata] = await this.bucket!.getMetadata()
|
|
|
|
if (!metadata.autoclass) {
|
|
this.logger.info('Autoclass not configured')
|
|
return null
|
|
}
|
|
|
|
const status = {
|
|
enabled: metadata.autoclass.enabled || false,
|
|
...(metadata.autoclass.terminalStorageClass && {
|
|
terminalStorageClass: metadata.autoclass.terminalStorageClass
|
|
}),
|
|
...(metadata.autoclass.toggleTime && {
|
|
toggleTime: metadata.autoclass.toggleTime
|
|
})
|
|
}
|
|
|
|
this.logger.info(`Autoclass status: ${status.enabled ? 'enabled' : 'disabled'}`)
|
|
|
|
return status
|
|
} catch (error: any) {
|
|
this.logger.error('Failed to get Autoclass status:', error)
|
|
throw new Error(`Failed to get GCS Autoclass status: ${error.message || error}`)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Disable Autoclass for the bucket
|
|
*/
|
|
public async disableAutoclass(): Promise<void> {
|
|
await this.ensureInitialized()
|
|
|
|
try {
|
|
this.logger.info('Disabling GCS Autoclass')
|
|
|
|
await this.bucket!.setMetadata({
|
|
autoclass: {
|
|
enabled: false
|
|
}
|
|
})
|
|
|
|
this.logger.info('Successfully disabled Autoclass')
|
|
} catch (error: any) {
|
|
this.logger.error('Failed to disable Autoclass:', error)
|
|
throw new Error(`Failed to disable GCS Autoclass: ${error.message || error}`)
|
|
}
|
|
}
|
|
}
|