chore: recovery checkpoint - v3.0 API successfully recovered
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
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/**
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* Intelligent cache auto-configuration system
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* Adapts cache settings based on environment, usage patterns, and storage type
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*/
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export class CacheAutoConfigurator {
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constructor() {
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this.stats = {
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totalQueries: 0,
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repeatQueries: 0,
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avgQueryTime: 50,
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memoryPressure: 0,
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storageType: 'memory',
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isDistributed: false,
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changeFrequency: 0,
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readWriteRatio: 10,
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};
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this.configHistory = [];
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this.lastOptimization = 0;
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}
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/**
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* Auto-detect optimal cache configuration based on current conditions
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*/
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autoDetectOptimalConfig(storageConfig, currentStats) {
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// Update stats with current information
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if (currentStats) {
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this.stats = { ...this.stats, ...currentStats };
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}
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// Detect environment characteristics
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this.detectEnvironment(storageConfig);
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// Generate optimal configuration
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const result = this.generateOptimalConfig();
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// Store for learning
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this.configHistory.push(result);
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this.lastOptimization = Date.now();
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return result;
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}
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/**
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* Dynamically adjust configuration based on runtime performance
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*/
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adaptConfiguration(currentConfig, performanceMetrics) {
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const reasoning = [];
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let needsUpdate = false;
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// Check if we should update (don't over-optimize)
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if (Date.now() - this.lastOptimization < 60000) {
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return null; // Wait at least 1 minute between optimizations
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}
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// Analyze performance patterns
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const adaptations = {};
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// Low hit rate → adjust cache size or TTL
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if (performanceMetrics.hitRate < 0.3) {
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if (performanceMetrics.externalChangesDetected > 5) {
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// Too many external changes → shorter TTL
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adaptations.maxAge = Math.max(60000, currentConfig.maxAge * 0.7);
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reasoning.push('Reduced cache TTL due to frequent external changes');
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needsUpdate = true;
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}
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else {
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// Expand cache size for better hit rate
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adaptations.maxSize = Math.min(500, (currentConfig.maxSize || 100) * 1.5);
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reasoning.push('Increased cache size due to low hit rate');
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needsUpdate = true;
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}
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}
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// High hit rate but slow responses → might need cache warming
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if (performanceMetrics.hitRate > 0.8 && performanceMetrics.avgResponseTime > 100) {
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reasoning.push('High hit rate but slow responses - consider cache warming');
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}
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// Memory pressure → reduce cache size
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if (performanceMetrics.memoryUsage > 100 * 1024 * 1024) { // 100MB
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adaptations.maxSize = Math.max(20, (currentConfig.maxSize || 100) * 0.7);
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reasoning.push('Reduced cache size due to memory pressure');
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needsUpdate = true;
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}
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// Recent external changes → adaptive TTL
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if (performanceMetrics.timeSinceLastChange < 30000) { // 30 seconds
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adaptations.maxAge = Math.max(30000, currentConfig.maxAge * 0.8);
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reasoning.push('Shortened TTL due to recent external changes');
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needsUpdate = true;
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}
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if (!needsUpdate) {
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return null;
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}
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const newCacheConfig = {
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...currentConfig,
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...adaptations
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};
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const newRealtimeConfig = this.calculateRealtimeConfig();
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return {
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cacheConfig: newCacheConfig,
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realtimeConfig: newRealtimeConfig,
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reasoning
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};
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}
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/**
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* Get recommended configuration for specific use case
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*/
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getRecommendedConfig(useCase) {
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const configs = {
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'high-consistency': {
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cache: { maxAge: 120000, maxSize: 50 },
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realtime: { interval: 15000, enabled: true },
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reasoning: ['Optimized for data consistency and real-time updates']
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},
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'balanced': {
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cache: { maxAge: 300000, maxSize: 100 },
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realtime: { interval: 30000, enabled: true },
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reasoning: ['Balanced performance and consistency']
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},
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'performance-first': {
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cache: { maxAge: 600000, maxSize: 200 },
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realtime: { interval: 60000, enabled: true },
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reasoning: ['Optimized for maximum cache performance']
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}
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};
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const config = configs[useCase];
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return {
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cacheConfig: {
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enabled: true,
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...config.cache
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},
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realtimeConfig: {
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updateIndex: true,
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updateStatistics: true,
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...config.realtime
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},
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reasoning: config.reasoning
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};
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}
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/**
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* Learn from usage patterns and improve recommendations
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*/
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learnFromUsage(usageData) {
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// Update internal stats for better future recommendations
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this.stats.totalQueries += usageData.totalQueries;
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this.stats.repeatQueries += usageData.cacheHits;
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this.stats.avgQueryTime = (this.stats.avgQueryTime + usageData.responseTime) / 2;
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this.stats.changeFrequency = usageData.dataChanges / (usageData.timeWindow / 60000);
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// Calculate read/write ratio
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const writes = usageData.dataChanges;
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const reads = usageData.totalQueries;
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this.stats.readWriteRatio = reads > 0 ? reads / Math.max(writes, 1) : 10;
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}
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detectEnvironment(storageConfig) {
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// Detect storage type
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if (storageConfig?.s3Storage || storageConfig?.customS3Storage) {
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this.stats.storageType = 's3';
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this.stats.isDistributed = true;
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}
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else if (storageConfig?.forceFileSystemStorage) {
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this.stats.storageType = 'filesystem';
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}
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else if (storageConfig?.forceMemoryStorage) {
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this.stats.storageType = 'memory';
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}
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else {
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// Auto-detect browser vs Node.js
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this.stats.storageType = typeof window !== 'undefined' ? 'opfs' : 'filesystem';
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}
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// Detect distributed mode indicators
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this.stats.isDistributed = this.stats.isDistributed ||
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Boolean(storageConfig?.s3Storage || storageConfig?.customS3Storage);
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}
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generateOptimalConfig() {
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const reasoning = [];
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// Base configuration
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let cacheConfig = {
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enabled: true,
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maxSize: 100,
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maxAge: 300000, // 5 minutes
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hitCountWeight: 0.3
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};
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let realtimeConfig = {
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enabled: false,
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interval: 60000,
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updateIndex: true,
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updateStatistics: true
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};
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// Adjust for storage type
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if (this.stats.storageType === 's3' || this.stats.isDistributed) {
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cacheConfig.maxAge = 180000; // 3 minutes for distributed
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realtimeConfig.enabled = true;
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realtimeConfig.interval = 30000; // 30 seconds
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reasoning.push('Distributed storage detected - enabled real-time updates');
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reasoning.push('Reduced cache TTL for distributed consistency');
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}
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// Adjust for read/write patterns
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if (this.stats.readWriteRatio > 20) {
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// Read-heavy workload
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cacheConfig.maxSize = Math.min(300, (cacheConfig.maxSize || 100) * 2);
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cacheConfig.maxAge = Math.min(900000, (cacheConfig.maxAge || 300000) * 1.5); // Up to 15 minutes
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reasoning.push('Read-heavy workload detected - increased cache size and TTL');
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}
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else if (this.stats.readWriteRatio < 5) {
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// Write-heavy workload
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cacheConfig.maxSize = Math.max(50, (cacheConfig.maxSize || 100) * 0.7);
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cacheConfig.maxAge = Math.max(60000, (cacheConfig.maxAge || 300000) * 0.6);
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reasoning.push('Write-heavy workload detected - reduced cache size and TTL');
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}
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// Adjust for change frequency
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if (this.stats.changeFrequency > 10) { // More than 10 changes per minute
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realtimeConfig.interval = Math.max(10000, realtimeConfig.interval * 0.5);
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cacheConfig.maxAge = Math.max(30000, (cacheConfig.maxAge || 300000) * 0.5);
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reasoning.push('High change frequency detected - increased update frequency');
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}
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// Memory constraints
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if (this.detectMemoryConstraints()) {
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cacheConfig.maxSize = Math.max(20, (cacheConfig.maxSize || 100) * 0.6);
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reasoning.push('Memory constraints detected - reduced cache size');
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}
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// Performance optimization
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if (this.stats.avgQueryTime > 200) {
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cacheConfig.maxSize = Math.min(500, (cacheConfig.maxSize || 100) * 1.5);
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reasoning.push('Slow queries detected - increased cache size');
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}
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return {
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cacheConfig,
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realtimeConfig,
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reasoning
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};
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}
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calculateRealtimeConfig() {
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return {
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enabled: this.stats.isDistributed || this.stats.changeFrequency > 1,
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interval: this.stats.isDistributed ? 30000 : 60000,
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updateIndex: true,
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updateStatistics: true
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};
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}
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detectMemoryConstraints() {
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// Simple heuristic for memory constraints
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try {
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if (typeof performance !== 'undefined' && 'memory' in performance) {
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const memInfo = performance.memory;
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return memInfo.usedJSHeapSize > memInfo.jsHeapSizeLimit * 0.8;
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}
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}
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catch (e) {
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// Ignore errors
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}
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// Default assumption for constrained environments
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return false;
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}
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/**
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* Get human-readable explanation of current configuration
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*/
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getConfigExplanation(config) {
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const lines = [
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'🤖 Brainy Auto-Configuration:',
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'',
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`📊 Cache: ${config.cacheConfig.maxSize} queries, ${config.cacheConfig.maxAge / 1000}s TTL`,
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`🔄 Updates: ${config.realtimeConfig.enabled ? `Every ${(config.realtimeConfig.interval || 30000) / 1000}s` : 'Disabled'}`,
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'',
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'🎯 Optimizations applied:'
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];
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config.reasoning.forEach(reason => {
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lines.push(` • ${reason}`);
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});
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return lines.join('\n');
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}
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}
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//# sourceMappingURL=cacheAutoConfig.js.map
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