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docs(buglog): bug-1922 fixed; bug-1917 follow-up; soak coverage for bug-1919/1920

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Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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Rongsong Shen 2026-10-08 03:03:27 +00:00
parent 5cf923350c
commit 8dab1f2065
Signed by untrusted user: rshen
GPG key ID: 80533536B0EB651C
5 changed files with 100 additions and 5 deletions
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.wolf/bugs/bug-1920.md
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@ -75,5 +75,7 @@ Scan of the four 2026-10-04 soaks: 3 nodes in 2 runs had a misfiled seg-1. It st
- Suites: `xce-build.sh all` asan, 127/127 meson suites OK, Go tests ok (2026-10-04).
- Live: 4x `/xce-test-ha` sequential 20 rounds, 2026-10-04: 4/4 PASS. The pre-recovery drop fired 14 times (3-5 per run), no "found NO entries" warning, and a scan of every node's WAL found every segment's first LSN equal to its filename with no LSN jumps. Before the fix, the same scan found misfiled seg-1 on 3 nodes in 2 of 4 runs. Longer runs, 2026-10-04: sequential 50 rounds PASS, chaotic 50 rounds PASS (zero committed divergence), sequential 30 rounds under 40 CPU spinners on 32 cores PASS. The drop fired 7/10/5 times, there was no "found NO entries" warning, the WAL layout was clean on every node, and there were no ASAN reports.
UPDATE (2026-10-08): Permanent gate (2026-10-08, 5cf92335): the sequential, chaotic and truncated-fence soak modes now run wal-layout-check.py before PASS; it flags the pre-fix runs' misfiled seg-...0001 and passed a sequential 20-round soak (25 segments, 0 problems).
## References
- Related: none