stemedb/crates/stemedb-wal/src
jordan 3320c24afa feat: WAL hardening (Phase 5B) - CRC32C, crash recovery, group commit, log rotation
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>
2026-02-02 12:36:35 -07:00
..
recovery feat: WAL hardening (Phase 5B) - CRC32C, crash recovery, group commit, log rotation 2026-02-02 12:36:35 -07:00
durability.rs feat: Complete Phase 1 (The Spine) - storage foundation 2026-01-31 14:15:34 -07:00
error.rs feat: WAL hardening (Phase 5B) - CRC32C, crash recovery, group commit, log rotation 2026-02-02 12:36:35 -07:00
format.rs feat: WAL hardening (Phase 5B) - CRC32C, crash recovery, group commit, log rotation 2026-02-02 12:36:35 -07:00
group_commit.rs feat: WAL hardening (Phase 5B) - CRC32C, crash recovery, group commit, log rotation 2026-02-02 12:36:35 -07:00
journal.rs feat: WAL hardening (Phase 5B) - CRC32C, crash recovery, group commit, log rotation 2026-02-02 12:36:35 -07:00
lib.rs feat: WAL hardening (Phase 5B) - CRC32C, crash recovery, group commit, log rotation 2026-02-02 12:36:35 -07:00
segment.rs feat: WAL hardening (Phase 5B) - CRC32C, crash recovery, group commit, log rotation 2026-02-02 12:36:35 -07:00