TLA+ spec + jstest for oplog truncation liveness under cap pressure

    • Type: Task
    • Resolution: Unresolved
    • Priority: Major - P3
    • None
    • Affects Version/s: None
    • Component/s: None
    • None
    • None
    • None
    • None
    • None
    • None
    • None
    • None

      Companion artifact for SERVER-121352 (production fleet bug; 6 clusters not truncating oplog).

      Deliverable: TLA+ specification with `EventuallyTruncates == [](Excess>0 ~> Excess=0)` + jstest. TLC verified: green 310 states clean, bug cfg produces liveness counter-example.

      Files in worktree mongo-w4-2:

      • src/mongo/tla_plus/Replication/OplogTruncationLiveness/ {OplogTruncationLiveness.tla, MC*.tla, MC*.cfg, MC_bug.cfg, OWNERS.yml, README.md}
      • jstests/replsets/oplog_cap_maintainer_truncation_liveness.js

      Status: Draft. Filed by external contributor.

            Assignee:
            Unassigned
            Reporter:
            Mehar Grewal
            Votes:
            0 Vote for this issue
            Watchers:
            1 Start watching this issue

              Created:
              Updated: