dimgigov
7e6a45e6b7
Стабилизация на storage слоя — 6 фази
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Фаза 1: SSTable Integrity
- SSTable v3 формат с CRC32 footer (data/index/bloom CRC)
- Нов модул storage/crc32.nim (zero-dep, IEEE 802.3)
- verifySSTable() — проверка на magic, version, CRC
- loadSSTable strict mode — отхвърля корумпирани файлове
- newLSMTree логва [WARN] при corrupt SSTables
Фаза 2: baradb repair
- Нов модул tools/repair.nim
- Сканира SSTables, проверява CRC, премества битите в corrupt/
- WAL replay (CrashRecovery) за възстановяване на данни
- CLI: ./baradadb repair --data-dir=... [--dry-run]
Фаза 3: MANIFEST File
- Atomic write MANIFEST (tmp + rename)
- newLSMTree зарежда от MANIFEST, fallback към walkDir
- checkStorageConsistency() — orphan/missing detection
- flushUnsafe и compaction записват MANIFEST
Фаза 4: WAL Rotation & Incremental Backup
- WAL segment rotation при 64MB (wal_archive/wal.000NNN.log)
- maybeRotate() на всеки 1000 записа + при flush
- backup incremental — архивира MANIFEST + SSTables + WAL
- CRC verification на SSTables преди архивиране
Фаза 5: Online Consistent Backup
- checkpoint() — freeze memtable + flush + WAL rotate
- ./baradadb checkpoint — offline consistent snapshot
- backup --online — checkpoint + incremental backup
Фаза 6: SSTable Version Migration
- SSTable.fileVersion поле
- listLegacySSTables() — намира v1/v2 файлове
- migrateSSTable() — пренаписва към v3 (tmp + rename)
- ./baradadb migrate [--dry-run] — offline migration
Документация:
- Обновени docs/en/backup.md, docs/bg/backup.md
- Обновени docs/en/storage.md, docs/bg/storage.md
- Добавени тестове в tests/test_all.nim
2026-05-18 15:04:49 +03:00
dimgigov
215df1cdf3
docs: update README and all docs with formal verification, new BaraQL features, OpenTelemetry tracing
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- Add Formal Verification section to README and architecture docs
- Document TLA+ specs for Raft, 2PC, MVCC, Replication
- Add new BaraQL features: JSON path (->, ->>), FTS @@, CREATE INDEX USING FTS,
RECOVER TO TIMESTAMP, UNION/INTERSECT/EXCEPT
- Add OpenTelemetry tracing example to README
- Update Quick Start to use nimble test/bench
- Update EN and BG documentation
2026-05-07 16:06:13 +03:00
dimgigov
8993cdc6f3
docs: expand README and documentation for production release
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- Update README.md status from 'educational proof-of-concept' to 'production-ready'
- Fix binary size: 286KB -> 3.3MB
- Update test count: 162/35 -> 262/56
- Add sections: benchmarks, Docker, clients, security, config, monitoring, backup, cross-modal queries, troubleshooting
- Expand project structure with all 49 modules and ~14,100 LOC
- Add 10 new docs: performance, deployment, configuration, clients, security, monitoring, backup, crossmodal, troubleshooting, changelog
- Expand docs/en: architecture, baraql, installation, protocol
- Update docs/bg: architecture, installation
- Update docs/index.md with new links
- Update .gitignore for __pycache__, rust/target, nim binaries
2026-05-06 17:19:16 +03:00
dimgigov