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test(raft-ha-core-safety): RED — snapshot install does not reconcile (term,lsn) boundary (task 3.1)

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ha_handle_snapshot_chunk/persist_load_snapshot advance checkpoint_lsn,
current_lsn, and applied_lsn on snapshot install but never touch the
per-LSN term index, so a divergent pre-snapshot entry's stale local
term survives the install unreconciled. New test proves the gap
(Expected 7 Was 3); fix lands in task 3.2.
This commit is contained in:
Rongsong Shen 2026-07-01 09:46:39 +00:00
parent 02dfedfbe8
commit 21858faba4
2 changed files with 120 additions and 1 deletions
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.kiro/specs/raft-ha-core-safety/tasks.md
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@ -67,7 +67,7 @@
- _Depends: 2.2, 2.3_
- [ ] 3. Snapshot-boundary reconciliation
- [ ] 3.1 RED: snapshot post-install reconcile test
- [x] 3.1 RED: snapshot post-install reconcile test
- Add a case where a divergent pre-snapshot entry must be reconciled against the installed checkpoint's `(term, lsn)` boundary (today snapshot install sets applied-lsn without a `(term, lsn)` reconcile)
- Observable completion: the case FAILS on the baseline because no `(term, lsn)` reconcile occurs at the snapshot boundary
- _Requirements: 3.1, 5.1_