 dimgigov
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132e8c7a31
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Phase 5: Storage fuzz tests + WAL entryCount fix + SSTable overflow checks + compaction sizeBytes accuracy
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- WAL: entryCount is now accurate after restart by counting existing entries
- LSM writeSSTable: adds uint32 overflow checks for key/value/entry counts
- Compaction: sizeBytes now uses actual file size instead of rough guess
- Fuzz tests: 14 new tests covering WAL truncation, LSM put/get/delete,
recovery, scan, overwrites, SSTable roundtrip, corruption, tombstones
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2026-05-18 12:34:26 +03:00 |
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dimgigov
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19fa760604
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Week 4: Production Hardening — Thread Safety, Fuzz Tests, Property-Based Tests, NimForum Smoke Test
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Thread Safety:
- Add lock to BTreeIndex (insert/get/scan/remove/contains)
- Add lock to InvertedIndex (addDocument/removeDocument/search/bm25/tfidf/fuzzy/regex)
- Add ctxLock to ExecutionContext for DDL/schema metadata, autoIncCounters, sequences
- Deep-copy sessionVars in cloneForConnection() to isolate per-connection state
- Fix activeConnections check-then-act race with Lock
Wire Protocol Hardening:
- Fix RangeDefect in deserializeValue for invalid FieldKind bytes
- Fix IndexDefect in fkFloat32/fkFloat64 by reusing readUint32/readUint64
- Fix int32/int64 cast from uint32/uint64 to use cast[] instead of constructor
- Fix parseHeader to validate MsgKind instead of holey enum cast
Property-Based Tests (tests/prop_test.nim):
- 8 invariants for evalExprValue: literal types, commutativity, identity,
double negation, NULL propagation
Wire Protocol Fuzz (tests/fuzz_test.nim):
- 7 fuzz tests: random bytes deserialization, truncated buffers,
MsgKind casts, parseHeader logic, message roundtrips
NimForum Adapter Smoke Test (tests/nimforum_smoke_test.nim):
- Full TCP server lifecycle with adapter CRUD and parameterized queries
Test Results: 423 tests pass, 0 failures
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2026-05-17 11:57:55 +03:00 |
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