FV-3, FV-4: 2PC coordinator crash/recovery + participant timeout

- twopc.tla: Add coordinatorLog (persistent WAL for decisions)
- twopc.tla: Add CrashCoordinator action
- twopc.tla: Add RecoverCoordinator action (reads from coordinatorLog)
- twopc.tla: Add ParticipantTimeout (only if coordinatorLog = Nil)
- twopc.tla: Add RecoveryConsistency invariant
- models/twopc.cfg: Add RecoveryConsistency to checked invariants
- Update PLAN.md, ANALYSIS.md, README.md with new metrics
This commit is contained in:
2026-05-07 19:40:09 +03:00
parent 54711d0190
commit 39e07b542d
5 changed files with 71 additions and 22 deletions
+1
View File
@@ -15,3 +15,4 @@ INVARIANTS
CoordinatorConsistency
NoDecideWithoutConsensus
ParticipantStateValid
RecoveryConsistency