3320c24afa
Add CRC32C checksums to WAL record format (v2), implement crash recovery with automatic truncation of corrupt records, add feature-gated group commit buffer for batched fsync under concurrent load, and implement log rotation via segment files with global offset addressing. Key changes: - Record format v2: [len:u32][crc32c:u32][blake3:32][payload:N] - recover_file() scans and truncates corrupt tail records - GroupCommitBuffer batches fsync via MPSC channel (tokio feature gate) - SegmentManager with binary search resolution and cursor-based cleanup - Journal::read() auto-refreshes segments on miss for writer/reader split - Split recovery.rs and key_codec.rs into directory modules for 500-line max Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
25 lines
517 B
TOML
25 lines
517 B
TOML
[package]
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name = "stemedb-wal"
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version = "0.1.0"
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edition = "2021"
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description = "Write-Ahead Log (Quarantine Journal) for Episteme"
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# Inherit workspace lints
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[lints]
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workspace = true
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[dependencies]
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fs2 = "0.4"
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thiserror = "1.0"
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tracing = "0.1"
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byteorder = "1.5"
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blake3 = "1.5"
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crc32c = "0.6"
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tokio = { version = "1", features = ["sync", "time", "rt"], optional = true }
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[features]
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group-commit = ["tokio"]
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[dev-dependencies]
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tempfile = "3.10"
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tokio = { version = "1", features = ["sync", "time", "rt", "macros"] } |