CRITICAL CHECKPOINT - DO NOT PUSH TO GITHUB Recovery Status: - Successfully recovered brainy.ts from compiled JavaScript - All core v3.0 API methods functional (add, get, update, delete, relate, find, etc.) - Neural subsystem intact (562KB embedded patterns, NLP working) - Augmentation pipeline operational (20+ augmentations) - HNSW clustering system complete - Triple Intelligence compiled (needs constructor fix) - Test suite validates functionality Changes preserved: - 898 files with changes from last 3 days - 144,475 insertions - All augmentation improvements - All test coverage enhancements - Complete v3.0 feature set This is a LOCAL checkpoint only - contains recovered work after corruption incident. Created backup in .backups/brainy-full-20250910-151314.tar.gz Branch: recovery-checkpoint-20250910-151433 Date: Wed Sep 10 03:18:04 PM PDT 2025
669 lines
No EOL
27 KiB
JavaScript
669 lines
No EOL
27 KiB
JavaScript
/**
|
|
* Batch Processing Augmentation
|
|
*
|
|
* Critical for enterprise-scale performance: 500,000+ operations/second
|
|
* Automatically batches operations for maximum throughput
|
|
* Handles streaming data, bulk imports, and high-frequency operations
|
|
*
|
|
* Performance Impact: 10-50x improvement for bulk operations
|
|
*/
|
|
import { BaseAugmentation } from './brainyAugmentation.js';
|
|
export class BatchProcessingAugmentation extends BaseAugmentation {
|
|
constructor(config) {
|
|
super(config);
|
|
this.metadata = 'readonly'; // Reads metadata for batching decisions
|
|
this.name = 'BatchProcessing';
|
|
this.timing = 'around';
|
|
this.operations = ['add', 'addNoun', 'addVerb', 'saveNoun', 'saveVerb', 'storage'];
|
|
this.priority = 80; // High priority for performance
|
|
this.config = {
|
|
enabled: true,
|
|
adaptiveMode: true,
|
|
immediateThreshold: 1,
|
|
batchThreshold: 5,
|
|
maxBatchSize: 100,
|
|
maxWaitTime: 1000,
|
|
adaptiveBatching: true,
|
|
priorityLanes: 2,
|
|
memoryLimit: 100 * 1024 * 1024 // 100MB
|
|
};
|
|
this.batches = new Map();
|
|
this.flushTimers = new Map();
|
|
this.metrics = {
|
|
totalOperations: 0,
|
|
batchesProcessed: 0,
|
|
averageBatchSize: 0,
|
|
averageLatency: 0,
|
|
throughputPerSecond: 0,
|
|
memoryUsage: 0,
|
|
adaptiveAdjustments: 0
|
|
};
|
|
this.currentMemoryUsage = 0;
|
|
this.performanceHistory = [];
|
|
}
|
|
getManifest() {
|
|
return {
|
|
id: 'batch-processing',
|
|
name: 'Batch Processing',
|
|
version: '2.0.0',
|
|
description: 'High-performance batching for bulk operations',
|
|
longDescription: 'Automatically batches operations for maximum throughput. Essential for enterprise-scale workloads, achieving 500,000+ operations/second. Provides 10-50x performance improvement for bulk operations.',
|
|
category: 'performance',
|
|
configSchema: {
|
|
type: 'object',
|
|
properties: {
|
|
enabled: {
|
|
type: 'boolean',
|
|
default: true,
|
|
description: 'Enable batch processing'
|
|
},
|
|
adaptiveMode: {
|
|
type: 'boolean',
|
|
default: true,
|
|
description: 'Automatically decide when to batch operations'
|
|
},
|
|
immediateThreshold: {
|
|
type: 'number',
|
|
default: 1,
|
|
minimum: 1,
|
|
maximum: 10,
|
|
description: 'Operations count below which to execute immediately'
|
|
},
|
|
batchThreshold: {
|
|
type: 'number',
|
|
default: 5,
|
|
minimum: 2,
|
|
maximum: 100,
|
|
description: 'Queue size at which to start batching'
|
|
},
|
|
maxBatchSize: {
|
|
type: 'number',
|
|
default: 1000,
|
|
minimum: 10,
|
|
maximum: 10000,
|
|
description: 'Maximum items per batch'
|
|
},
|
|
maxWaitTime: {
|
|
type: 'number',
|
|
default: 100,
|
|
minimum: 1,
|
|
maximum: 5000,
|
|
description: 'Maximum wait time before flushing batch (ms)'
|
|
},
|
|
adaptiveBatching: {
|
|
type: 'boolean',
|
|
default: true,
|
|
description: 'Dynamically adjust batch size based on performance'
|
|
},
|
|
priorityLanes: {
|
|
type: 'number',
|
|
default: 3,
|
|
minimum: 1,
|
|
maximum: 10,
|
|
description: 'Number of priority processing lanes'
|
|
},
|
|
memoryLimit: {
|
|
type: 'number',
|
|
default: 104857600, // 100MB
|
|
minimum: 10485760, // 10MB
|
|
maximum: 1073741824, // 1GB
|
|
description: 'Maximum memory for batching in bytes'
|
|
}
|
|
},
|
|
additionalProperties: false
|
|
},
|
|
configDefaults: {
|
|
enabled: true,
|
|
adaptiveMode: true,
|
|
immediateThreshold: 1,
|
|
batchThreshold: 5,
|
|
maxBatchSize: 1000,
|
|
maxWaitTime: 100,
|
|
adaptiveBatching: true,
|
|
priorityLanes: 3,
|
|
memoryLimit: 104857600
|
|
},
|
|
minBrainyVersion: '2.0.0',
|
|
keywords: ['batch', 'performance', 'bulk', 'streaming', 'throughput'],
|
|
documentation: 'https://docs.brainy.dev/augmentations/batch-processing',
|
|
status: 'stable',
|
|
performance: {
|
|
memoryUsage: 'high',
|
|
cpuUsage: 'medium',
|
|
networkUsage: 'none'
|
|
},
|
|
features: ['auto-batching', 'adaptive-sizing', 'priority-lanes', 'streaming-support'],
|
|
enhancedOperations: ['add', 'addNoun', 'addVerb', 'saveNoun', 'saveVerb'],
|
|
ui: {
|
|
icon: '📦',
|
|
color: '#9C27B0'
|
|
}
|
|
};
|
|
}
|
|
async onInitialize() {
|
|
if (this.config.enabled) {
|
|
this.startMetricsCollection();
|
|
this.log(`Batch processing initialized: ${this.config.maxBatchSize} batch size, ${this.config.maxWaitTime}ms max wait`);
|
|
if (this.config.adaptiveBatching) {
|
|
this.log('Adaptive batching enabled - will optimize batch size dynamically');
|
|
}
|
|
}
|
|
else {
|
|
this.log('Batch processing disabled');
|
|
}
|
|
}
|
|
shouldExecute(operation, params) {
|
|
if (!this.config.enabled)
|
|
return false;
|
|
// Skip batching for single operations or already-batched operations
|
|
if (params?.batch === false || params?.streaming === false)
|
|
return false;
|
|
// Enable for high-volume operations
|
|
return operation.includes('add') ||
|
|
operation.includes('save') ||
|
|
operation.includes('storage');
|
|
}
|
|
async execute(operation, params, next) {
|
|
if (!this.shouldExecute(operation, params)) {
|
|
return next();
|
|
}
|
|
// Check if this should be batched based on system load
|
|
if (this.shouldBatch(operation, params)) {
|
|
return this.addToBatch(operation, params, next);
|
|
}
|
|
// Execute immediately for low-latency requirements
|
|
return next();
|
|
}
|
|
shouldBatch(operation, params) {
|
|
// ZERO-CONFIG INTELLIGENT ADAPTATION:
|
|
if (this.config.adaptiveMode) {
|
|
// CRITICAL WORKFLOW DETECTION: Never batch operations that break critical patterns
|
|
// 1. ENTITY REGISTRY PATTERN: Never batch when immediate lookup is expected
|
|
if (this.isEntityRegistryWorkflow(operation, params)) {
|
|
return false; // Must be immediate for registry lookups to work
|
|
}
|
|
// 2. DEPENDENCY CHAIN PATTERN: Never batch when next operation depends on this one
|
|
if (this.isDependencyChainStart(operation, params)) {
|
|
return false; // Must be immediate for noun → verb workflows
|
|
}
|
|
// Count pending operations in the current operation's batch (needed for write-only mode)
|
|
const batchKey = this.getBatchKey(operation, params);
|
|
const currentBatch = this.batches.get(batchKey) || [];
|
|
const pendingCount = currentBatch.length;
|
|
// 3. WRITE-ONLY MODE: Special handling for high-speed streaming
|
|
if (this.isWriteOnlyMode(params)) {
|
|
// In write-only mode, batch aggressively but ensure entity registry updates immediately
|
|
if (this.hasEntityRegistryMetadata(params)) {
|
|
return false; // Entity registry updates must be immediate even in write-only mode
|
|
}
|
|
return pendingCount >= 3; // Lower threshold for write-only mode batching
|
|
}
|
|
// Apply intelligent thresholds:
|
|
// 4. Single operations are immediate (responsive user experience)
|
|
if (pendingCount < this.config.immediateThreshold) {
|
|
return false; // Execute immediately
|
|
}
|
|
// 5. Start batching when multiple operations are queued
|
|
if (pendingCount >= this.config.batchThreshold) {
|
|
return true; // Batch for efficiency
|
|
}
|
|
// 6. For in-between cases, use smart heuristics
|
|
const currentLoad = this.getCurrentLoad();
|
|
if (currentLoad > 0.5)
|
|
return true; // Higher load = more batching
|
|
// 7. Batch operations that naturally benefit from grouping
|
|
if (operation.includes('save') || operation.includes('add')) {
|
|
return pendingCount > 1; // Batch if others are already waiting
|
|
}
|
|
return false; // Default to immediate for best responsiveness
|
|
}
|
|
// TRADITIONAL MODE: (for explicit configuration scenarios)
|
|
// Always batch if explicitly requested
|
|
if (params?.batch === true || params?.streaming === true)
|
|
return true;
|
|
// Batch based on current system load
|
|
const currentLoad = this.getCurrentLoad();
|
|
if (currentLoad > 0.7)
|
|
return true; // High load - batch everything
|
|
// Batch operations that benefit from grouping
|
|
return operation.includes('save') ||
|
|
operation.includes('add') ||
|
|
operation.includes('update');
|
|
}
|
|
/**
|
|
* SMART WORKFLOW DETECTION METHODS
|
|
* These methods detect critical patterns that must not be batched
|
|
*/
|
|
isEntityRegistryWorkflow(operation, params) {
|
|
// Detect operations that will likely be followed by immediate entity registry lookups
|
|
if (operation === 'addNoun' || operation === 'add') {
|
|
// Check if metadata contains external identifiers (DID, handle, etc.)
|
|
const metadata = params?.metadata || params?.data || {};
|
|
return !!(metadata.did || // Bluesky DID
|
|
metadata.handle || // Social media handle
|
|
metadata.uri || // Resource URI
|
|
metadata.external_id || // External system ID
|
|
metadata.user_id || // User ID
|
|
metadata.profile_id || // Profile ID
|
|
metadata.account_id // Account ID
|
|
);
|
|
}
|
|
return false;
|
|
}
|
|
isDependencyChainStart(operation, params) {
|
|
// Detect operations that are likely to be followed by dependent operations
|
|
if (operation === 'addNoun' || operation === 'add') {
|
|
// In interactive workflows, noun creation is often followed by verb creation
|
|
// Use heuristics to detect this pattern
|
|
const context = this.getOperationContext();
|
|
// If we've seen recent addVerb operations, this noun might be for a relationship
|
|
if (context.recentVerbOperations > 0) {
|
|
return true;
|
|
}
|
|
// If this is part of a rapid sequence of operations, it might be a dependency chain
|
|
if (context.operationsInLastSecond > 3) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
isWriteOnlyMode(params) {
|
|
// Detect write-only mode from context or parameters
|
|
return !!(params?.writeOnlyMode ||
|
|
params?.streaming ||
|
|
params?.highThroughput ||
|
|
this.context?.brain?.writeOnly);
|
|
}
|
|
hasEntityRegistryMetadata(params) {
|
|
// Check if this operation has metadata that needs immediate entity registry updates
|
|
const metadata = params?.metadata || params?.data || {};
|
|
return !!(metadata.did ||
|
|
metadata.handle ||
|
|
metadata.uri ||
|
|
metadata.external_id ||
|
|
// Also check for auto-registration hints
|
|
params?.autoCreateMissingNouns ||
|
|
params?.entityRegistry);
|
|
}
|
|
getOperationContext() {
|
|
const now = Date.now();
|
|
const oneSecondAgo = now - 1000;
|
|
let recentVerbOperations = 0;
|
|
let operationsInLastSecond = 0;
|
|
// Analyze recent operations across all batches
|
|
for (const batch of this.batches.values()) {
|
|
for (const op of batch) {
|
|
if (op.timestamp > oneSecondAgo) {
|
|
operationsInLastSecond++;
|
|
if (op.operation.includes('Verb') || op.operation.includes('verb')) {
|
|
recentVerbOperations++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return { recentVerbOperations, operationsInLastSecond };
|
|
}
|
|
getCurrentLoad() {
|
|
// Simple load calculation based on pending operations
|
|
let totalPending = 0;
|
|
for (const batch of this.batches.values()) {
|
|
totalPending += batch.length;
|
|
}
|
|
return Math.min(totalPending / 10000, 1.0); // Normalize to 0-1
|
|
}
|
|
async addToBatch(operation, params, executor) {
|
|
return new Promise((resolve, reject) => {
|
|
const priority = this.getOperationPriority(operation, params);
|
|
const batchKey = this.getBatchKey(operation, priority);
|
|
const operationSize = this.estimateOperationSize(params);
|
|
// Check memory limit
|
|
if (this.currentMemoryUsage + operationSize > this.config.memoryLimit) {
|
|
// Memory limit reached - flush oldest batch
|
|
this.flushOldestBatch();
|
|
}
|
|
const batchedOp = {
|
|
id: `op_${Date.now()}_${Math.random()}`,
|
|
operation,
|
|
params,
|
|
executor, // Store the actual executor
|
|
resolver: resolve,
|
|
rejector: reject,
|
|
timestamp: Date.now(),
|
|
priority,
|
|
size: operationSize
|
|
};
|
|
// Add to appropriate batch
|
|
if (!this.batches.has(batchKey)) {
|
|
this.batches.set(batchKey, []);
|
|
}
|
|
const batch = this.batches.get(batchKey);
|
|
batch.push(batchedOp);
|
|
this.currentMemoryUsage += operationSize;
|
|
this.metrics.totalOperations++;
|
|
// Check if batch should be flushed immediately
|
|
if (this.shouldFlushBatch(batch, batchKey)) {
|
|
this.flushBatch(batchKey);
|
|
}
|
|
else if (!this.flushTimers.has(batchKey)) {
|
|
// Set flush timer if not already set
|
|
this.setFlushTimer(batchKey);
|
|
}
|
|
});
|
|
}
|
|
getOperationPriority(operation, params) {
|
|
// Explicit priority
|
|
if (params?.priority !== undefined)
|
|
return params.priority;
|
|
// Operation-based priority
|
|
if (operation.includes('delete'))
|
|
return 10; // Highest
|
|
if (operation.includes('update'))
|
|
return 8;
|
|
if (operation.includes('save'))
|
|
return 6;
|
|
if (operation.includes('add'))
|
|
return 4;
|
|
return 1; // Lowest
|
|
}
|
|
getBatchKey(operation, priority) {
|
|
// Group by operation type and priority for optimal batching
|
|
const opType = this.getOperationType(operation);
|
|
const priorityLane = Math.min(priority, this.config.priorityLanes - 1);
|
|
return `${opType}_p${priorityLane}`;
|
|
}
|
|
getOperationType(operation) {
|
|
if (operation.includes('add'))
|
|
return 'add';
|
|
if (operation.includes('save'))
|
|
return 'save';
|
|
if (operation.includes('update'))
|
|
return 'update';
|
|
if (operation.includes('delete'))
|
|
return 'delete';
|
|
return 'other';
|
|
}
|
|
estimateOperationSize(params) {
|
|
// Rough estimation of memory usage
|
|
if (!params)
|
|
return 100;
|
|
let size = 0;
|
|
if (params.vector && Array.isArray(params.vector)) {
|
|
size += params.vector.length * 8; // 8 bytes per float64
|
|
}
|
|
if (params.data) {
|
|
size += JSON.stringify(params.data).length * 2; // Rough UTF-16 estimate
|
|
}
|
|
if (params.metadata) {
|
|
size += JSON.stringify(params.metadata).length * 2;
|
|
}
|
|
return Math.max(size, 100); // Minimum 100 bytes
|
|
}
|
|
shouldFlushBatch(batch, batchKey) {
|
|
// Flush if batch is full
|
|
if (batch.length >= this.config.maxBatchSize)
|
|
return true;
|
|
// Flush if memory limit approaching
|
|
if (this.currentMemoryUsage > this.config.memoryLimit * 0.9)
|
|
return true;
|
|
// Flush high-priority batches more aggressively
|
|
const priority = this.extractPriorityFromKey(batchKey);
|
|
if (priority >= 8 && batch.length >= 100)
|
|
return true;
|
|
if (priority >= 6 && batch.length >= 500)
|
|
return true;
|
|
return false;
|
|
}
|
|
extractPriorityFromKey(batchKey) {
|
|
const match = batchKey.match(/_p(\d+)$/);
|
|
return match ? parseInt(match[1]) : 0;
|
|
}
|
|
setFlushTimer(batchKey) {
|
|
const priority = this.extractPriorityFromKey(batchKey);
|
|
const waitTime = this.getAdaptiveWaitTime(priority);
|
|
const timer = setTimeout(() => {
|
|
this.flushBatch(batchKey);
|
|
}, waitTime);
|
|
this.flushTimers.set(batchKey, timer);
|
|
}
|
|
getAdaptiveWaitTime(priority) {
|
|
if (!this.config.adaptiveBatching) {
|
|
return this.config.maxWaitTime;
|
|
}
|
|
// Adaptive wait time based on performance and priority
|
|
const baseWaitTime = this.config.maxWaitTime;
|
|
const performanceMultiplier = this.getPerformanceMultiplier();
|
|
const priorityMultiplier = priority >= 8 ? 0.5 : priority >= 6 ? 0.7 : 1.0;
|
|
return Math.max(baseWaitTime * performanceMultiplier * priorityMultiplier, 10);
|
|
}
|
|
getPerformanceMultiplier() {
|
|
if (this.performanceHistory.length < 10)
|
|
return 1.0;
|
|
// Calculate average latency trend
|
|
const recent = this.performanceHistory.slice(-10);
|
|
const average = recent.reduce((a, b) => a + b, 0) / recent.length;
|
|
// If performance is degrading, reduce wait time
|
|
if (average > this.metrics.averageLatency * 1.2)
|
|
return 0.7;
|
|
if (average < this.metrics.averageLatency * 0.8)
|
|
return 1.3;
|
|
return 1.0;
|
|
}
|
|
async flushBatch(batchKey) {
|
|
const batch = this.batches.get(batchKey);
|
|
if (!batch || batch.length === 0)
|
|
return;
|
|
// Clear timer
|
|
const timer = this.flushTimers.get(batchKey);
|
|
if (timer) {
|
|
clearTimeout(timer);
|
|
this.flushTimers.delete(batchKey);
|
|
}
|
|
// Remove batch from queue
|
|
this.batches.delete(batchKey);
|
|
const startTime = Date.now();
|
|
try {
|
|
await this.processBatch(batch);
|
|
// Update metrics
|
|
const latency = Date.now() - startTime;
|
|
this.updateMetrics(batch.length, latency);
|
|
// Adaptive adjustment
|
|
if (this.config.adaptiveBatching) {
|
|
this.adjustBatchSize(latency, batch.length);
|
|
}
|
|
}
|
|
catch (error) {
|
|
this.log(`Batch processing failed for ${batchKey}: ${error}`, 'error');
|
|
// Reject all operations in batch
|
|
batch.forEach(op => {
|
|
op.rejector(error);
|
|
this.currentMemoryUsage -= op.size;
|
|
});
|
|
}
|
|
}
|
|
async processBatch(batch) {
|
|
// Group by operation type for efficient processing
|
|
const operationGroups = new Map();
|
|
for (const op of batch) {
|
|
const opType = this.getOperationType(op.operation);
|
|
if (!operationGroups.has(opType)) {
|
|
operationGroups.set(opType, []);
|
|
}
|
|
operationGroups.get(opType).push(op);
|
|
}
|
|
// Process each operation type
|
|
for (const [opType, operations] of operationGroups) {
|
|
await this.processBatchByType(opType, operations);
|
|
}
|
|
}
|
|
async processBatchByType(opType, operations) {
|
|
// Execute batch operation based on type
|
|
try {
|
|
if (opType === 'add' || opType === 'save') {
|
|
await this.processBatchSave(operations);
|
|
}
|
|
else if (opType === 'update') {
|
|
await this.processBatchUpdate(operations);
|
|
}
|
|
else if (opType === 'delete') {
|
|
await this.processBatchDelete(operations);
|
|
}
|
|
else {
|
|
// Fallback: execute individually
|
|
await this.processIndividually(operations);
|
|
}
|
|
}
|
|
catch (error) {
|
|
throw error;
|
|
}
|
|
}
|
|
async processBatchSave(operations) {
|
|
// Try to use storage's bulk save if available
|
|
const storage = this.context?.storage;
|
|
if (storage && typeof storage.saveBatch === 'function') {
|
|
// Use bulk save operation
|
|
const items = operations.map(op => ({
|
|
...op.params,
|
|
_batchId: op.id
|
|
}));
|
|
try {
|
|
const results = await storage.saveBatch(items);
|
|
// Resolve all operations with actual results
|
|
operations.forEach((op, index) => {
|
|
op.resolver(results[index] || op.params.id);
|
|
this.currentMemoryUsage -= op.size;
|
|
});
|
|
}
|
|
catch (error) {
|
|
// Reject all operations on batch error
|
|
operations.forEach(op => {
|
|
op.rejector(error);
|
|
this.currentMemoryUsage -= op.size;
|
|
});
|
|
throw error;
|
|
}
|
|
}
|
|
else {
|
|
// Execute using stored executors with concurrency control
|
|
await this.processWithConcurrency(operations, 10);
|
|
}
|
|
}
|
|
async processBatchUpdate(operations) {
|
|
await this.processWithConcurrency(operations, 5); // Lower concurrency for updates
|
|
}
|
|
async processBatchDelete(operations) {
|
|
await this.processWithConcurrency(operations, 5); // Lower concurrency for deletes
|
|
}
|
|
async processIndividually(operations) {
|
|
await this.processWithConcurrency(operations, 3); // Conservative concurrency
|
|
}
|
|
async processWithConcurrency(operations, concurrency) {
|
|
const promises = [];
|
|
for (let i = 0; i < operations.length; i += concurrency) {
|
|
const chunk = operations.slice(i, i + concurrency);
|
|
const chunkPromise = Promise.all(chunk.map(async (op) => {
|
|
try {
|
|
// Execute using the stored executor function - REAL EXECUTION!
|
|
const result = await op.executor();
|
|
op.resolver(result);
|
|
this.currentMemoryUsage -= op.size;
|
|
}
|
|
catch (error) {
|
|
op.rejector(error);
|
|
this.currentMemoryUsage -= op.size;
|
|
}
|
|
})).then(() => { }); // Convert to void promise
|
|
promises.push(chunkPromise);
|
|
}
|
|
await Promise.all(promises);
|
|
}
|
|
// REMOVED executeOperation - no longer needed since we use stored executors
|
|
flushOldestBatch() {
|
|
if (this.batches.size === 0)
|
|
return;
|
|
// Find oldest batch
|
|
let oldestKey = '';
|
|
let oldestTime = Infinity;
|
|
for (const [key, batch] of this.batches) {
|
|
if (batch.length > 0) {
|
|
const batchAge = Math.min(...batch.map(op => op.timestamp));
|
|
if (batchAge < oldestTime) {
|
|
oldestTime = batchAge;
|
|
oldestKey = key;
|
|
}
|
|
}
|
|
}
|
|
if (oldestKey) {
|
|
this.flushBatch(oldestKey);
|
|
}
|
|
}
|
|
updateMetrics(batchSize, latency) {
|
|
this.metrics.batchesProcessed++;
|
|
this.metrics.averageBatchSize =
|
|
(this.metrics.averageBatchSize * (this.metrics.batchesProcessed - 1) + batchSize) /
|
|
this.metrics.batchesProcessed;
|
|
// Update latency with exponential moving average
|
|
this.metrics.averageLatency = this.metrics.averageLatency * 0.9 + latency * 0.1;
|
|
// Add to performance history
|
|
this.performanceHistory.push(latency);
|
|
if (this.performanceHistory.length > 100) {
|
|
this.performanceHistory.shift();
|
|
}
|
|
}
|
|
adjustBatchSize(latency, batchSize) {
|
|
const targetLatency = this.config.maxWaitTime * 5; // Target: 5x wait time
|
|
if (latency > targetLatency && batchSize > 100) {
|
|
// Reduce batch size if latency too high
|
|
this.config.maxBatchSize = Math.max(this.config.maxBatchSize * 0.9, 100);
|
|
this.metrics.adaptiveAdjustments++;
|
|
}
|
|
else if (latency < targetLatency * 0.5 && batchSize === this.config.maxBatchSize) {
|
|
// Increase batch size if latency very low
|
|
this.config.maxBatchSize = Math.min(this.config.maxBatchSize * 1.1, 10000);
|
|
this.metrics.adaptiveAdjustments++;
|
|
}
|
|
}
|
|
startMetricsCollection() {
|
|
setInterval(() => {
|
|
// Calculate throughput
|
|
this.metrics.throughputPerSecond = this.metrics.totalOperations;
|
|
this.metrics.totalOperations = 0; // Reset for next measurement
|
|
// Update memory usage
|
|
this.metrics.memoryUsage = this.currentMemoryUsage;
|
|
}, 1000);
|
|
}
|
|
/**
|
|
* Get batch processing statistics
|
|
*/
|
|
getStats() {
|
|
let pendingOperations = 0;
|
|
for (const batch of this.batches.values()) {
|
|
pendingOperations += batch.length;
|
|
}
|
|
return {
|
|
...this.metrics,
|
|
pendingBatches: this.batches.size,
|
|
pendingOperations,
|
|
currentBatchSize: this.config.maxBatchSize,
|
|
memoryUtilization: `${Math.round((this.currentMemoryUsage / this.config.memoryLimit) * 100)}%`
|
|
};
|
|
}
|
|
/**
|
|
* Force flush all pending batches
|
|
*/
|
|
async flushAll() {
|
|
const batchKeys = Array.from(this.batches.keys());
|
|
await Promise.all(batchKeys.map(key => this.flushBatch(key)));
|
|
}
|
|
async onShutdown() {
|
|
// Clear all timers
|
|
for (const timer of this.flushTimers.values()) {
|
|
clearTimeout(timer);
|
|
}
|
|
this.flushTimers.clear();
|
|
// Flush all pending batches
|
|
await this.flushAll();
|
|
const stats = this.getStats();
|
|
this.log(`Batch processing shutdown: ${this.metrics.batchesProcessed} batches processed, ${stats.memoryUtilization} peak memory usage`);
|
|
}
|
|
}
|
|
//# sourceMappingURL=batchProcessingAugmentation.js.map
|