soulcraftlabs/open-brainy
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open-brainy/src/utils
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David Snelling 3f8e0971a2 fix: query-cap memory misread (MemAvailable + floor) + rootDirectory getter for native mmap fast-path 
Two platform-wide production fixes for consumers on bare VMs / mmap-filesystem storage.

BUG A — auto maxQueryLimit collapsed to ~1000 on healthy VMs → 500s on legitimate
queries. getAvailableMemory() read os.freemem() (kernel MemFree, which excludes
reclaimable page cache and reads as tens of MB on a page-cache-heavy mmap box).
Now reads /proc/meminfo MemAvailable (the `free -h` figure), falling back to
os.freemem() only off-Linux; auto-detected caps (container/free branches) are floored
at 10k so a misread can't collapse them. Explicit maxQueryLimit/reservedQueryMemory
are honored as-is.

BUG B — native mmap vector fast-path never engaged (per-entity reads → 57s cold start
on a 283MB brain). FileSystemStorage now exposes a public `rootDirectory` getter; the
native vector provider feature-detects it to enable its memory-mapped graph path.
brainy stored it as the protected `rootDir`, so the gate silently failed. Self-heals
after the first post-upgrade flush writes the mmap file.

Regression tests: auto-cap floor (container/free/explicit-override) + the rootDirectory
getter. Build clean; full suite 1483 green.
2026-06-16 08:46:39 -07:00
..
roaring fix: flush all native providers on shutdown to prevent data loss 2026-02-01 16:23:49 -08:00
adaptiveBackpressure.ts fix: prevent circuit breaker activation and data loss during bulk imports 2025-10-30 08:54:04 -07:00
adaptiveSocketManager.ts feat: add node: protocol to all Node.js built-in imports for bundler compatibility 2025-09-17 14:20:21 -07:00
autoConfiguration.ts feat: add node: protocol to all Node.js built-in imports for bundler compatibility 2025-09-17 14:20:21 -07:00
BoundedRegistry.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
brainyTypes.ts refactor: remove augmentation system and semantic type matching 2026-02-01 10:48:56 -08:00
callerLocation.ts fix: recalibrate find({ limit }) cap + two-tier enforcement + caller location 2026-06-08 12:49:43 -07:00
collation.ts fix: deterministic code-point string collation for column store + aggregation 2026-05-26 17:35:18 -07:00
contentExtractor.ts feat: expand ContentCategory to universal 6-category set for highlight() 2026-01-27 13:44:58 -08:00
crypto.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
deletedItemsIndex.ts feat: comprehensive metadata namespace architecture and cleanup system 2025-08-27 15:38:48 -07:00
distance.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
embedding.ts feat: migrate embeddings to Candle WASM + remove semantic type inference 2026-01-06 12:52:34 -08:00
enhancedLogger.ts feat: Brainy 3.0 - Triple Intelligence Release 2025-09-15 11:06:16 -07:00
ensureDeleted.ts feat: comprehensive metadata namespace architecture and cleanup system 2025-08-27 15:38:48 -07:00
entityIdMapper.ts feat(8.0): EntityIdMapper U32 ceiling + EntityIdSpaceExceeded error 2026-06-02 10:20:01 -07:00
environment.ts feat: wire plugin system with provider resolution, storage factories, and browser deprecation 2026-01-31 12:02:13 -08:00
fieldNameTracking.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
fieldTypeInference.ts fix: exclude __words__ keyword index from corruption detection and getStats() 2026-01-27 15:38:21 -08:00
import-progress-tracker.ts fix: exclude __words__ keyword index from corruption detection and getStats() 2026-01-27 15:38:21 -08:00
index.ts feat: Brainy 3.0 - Production-ready Triple Intelligence database 2025-09-11 16:23:32 -07:00
intelligentTypeMapper.ts feat: Stage 3 CANONICAL taxonomy with 169 types (v5.5.0) 2025-11-06 09:02:23 -08:00
jsonProcessing.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
logger.ts feat: add complete silent mode for TUI applications 2025-09-16 13:18:49 -07:00
memoryDetection.ts fix: exclude __words__ keyword index from corruption detection and getStats() 2026-01-27 15:38:21 -08:00
metadataFilter.ts fix: exclude __words__ keyword index from corruption detection and getStats() 2026-01-27 15:38:21 -08:00
metadataIndex.ts feat: stable EntityIdMapper — rebuild() no longer renumbers UUID→int 2026-05-28 10:37:47 -07:00
metadataIndexCache.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
metadataIndexChunking.ts feat: enforce data/metadata separation, numeric range queries, improved docs 2026-02-09 12:07:54 -08:00
metadataNamespace.ts feat: comprehensive metadata namespace architecture and cleanup system 2025-08-27 15:38:48 -07:00
metadataWriteBuffer.ts fix: eliminate cloud storage write amplification and rate limiting 2026-01-31 09:09:36 -08:00
mutex.ts feat: complete VFS with Knowledge Layer integration 2025-09-25 10:47:44 -07:00
nodeVersionCheck.ts fix: resolve browser compatibility by avoiding Node.js process access in nodeVersionCheck 2025-09-17 16:59:59 -07:00
operationUtils.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
paramValidation.ts fix: query-cap memory misread (MemAvailable + floor) + rootDirectory getter for native mmap fast-path 2026-06-16 08:46:39 -07:00
performanceMonitor.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
periodicCleanup.ts fix: exclude __words__ keyword index from corruption detection and getStats() 2026-01-27 15:38:21 -08:00
rateLimiter.ts feat: Brainy 3.0 - Production-ready Triple Intelligence database 2025-09-11 16:23:32 -07:00
rebuildCounts.ts fix: exclude __words__ keyword index from corruption detection and getStats() 2026-01-27 15:38:21 -08:00
requestCoalescer.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
requestDeduplicator.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
resultRanking.ts feat: hook native sort:topK provider into search result ranking 2026-05-27 13:13:47 -07:00
searchCache.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
statisticsCollector.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
structuredLogger.ts feat: add browser environment compatibility support 2025-09-17 15:48:02 -07:00
textEncoding.ts feat: Brainy 3.0 - Production-ready Triple Intelligence database 2025-09-11 16:23:32 -07:00
typeUtils.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00
typeValidation.ts feat: Brainy 3.0 - Production-ready Triple Intelligence database 2025-09-11 16:23:32 -07:00
unifiedCache.ts feat: export provider contracts for the plugin surface brainy consumes 2026-05-27 14:45:40 -07:00
vectorQuantization.ts feat: SQ4 (4-bit) scalar quantization + native distance hook (2.5.0 #30) 2026-05-28 12:27:10 -07:00
version.ts fix: update hardcoded version references to use dynamic version 2025-09-26 13:41:16 -07:00
workerUtils.ts fix: correct Node.js version references from 24 to 22 in comments and code 2025-10-20 11:43:31 -07:00
writeBuffer.ts 🧠 Brainy 2.0.0 - Zero-Configuration AI Database with Triple Intelligence™ 2025-08-26 12:32:21 -07:00