ifndef-SleePy commented on issue #9269: [FLINK-9900][tests] Fix unstable ZooKeeperHighAvailabilityITCase URL: https://github.com/apache/flink/pull/9269#issuecomment-516479435 Hi @tillrohrmann , thanks for reviewing. Actually I implemented the solution at first as same as your suggestion. However it fails sometime when I test the solution by slowing the job failing a lot. There are some unexpected restorations. The assertion of `illegalRestores` fails because it is greater than zero. I believe the reason is also the race condition of `CheckpointFailureManager`. It seems to need more changes than I expected, so I abandoned the implementation. I could give a deeper analysis later about this.
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