Hi Lu, Can you provide some more detailed logs of what happened during the checkpointing phase? If it is possible please enable debug logs enabled.
It would be also great know whether you have implemented your own Iterator Operator or what kind of Flink program you are trying to execute. Best, Fabian CC user-list > On 15. Apr 2021, at 22:34, Lu Niu <qqib...@gmail.com> wrote: > > Hi, Flink Users > > When we migrate from flink 1.9.1 to flink 1.11, we notice job will always > fail on checkpoint if job uses Iterator Operator, no matter we use unaligned > checkpoint or not. Those jobs don't have checkpoint issues in 1.9. Is this a > known issue? Thank you! > > Best > Lu
