nielifeng commented on PR #11458:
URL: https://github.com/apache/seatunnel/pull/11458#issuecomment-5128163765

   Additional baseline evidence for the acceptance matrix: #11437 remains 
reproducible on upstream `dev` commit `735cf430`, which does not contain this 
PR, using a 3-Master / 3-Worker cluster with 24 fixed slots and one streaming 
job occupying 16 slots.
   
   After the Active Master Java process was terminated, the replacement Master 
was elected and all six Hazelcast members rejoined safely, but the job stayed 
`PENDING/RESTORE` for 294 seconds. Checkpoints stopped progressing, and 
cancellation left the same 16 slots assigned; only 8 of 24 slots were free 
until the Workers were restarted. The logs repeatedly reported 
`NoEnoughResourceException` and `Pre resource application failed`.
   
   This adds a 3+3, single high-occupancy workload to the existing 3+2 and 
concurrent-workload reproductions. It is baseline reproduction evidence, not a 
test of PR head `81f8dce434404cb32c7fe557df69c88d6fd9bef5`. The same topology 
and workload would be useful as an acceptance case when this PR is updated and 
ready for validation.


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