Hi Alexey,
We also have the same problem running on Yarn using Flink 1.9.0.
JM log shows this:
We are also looking for a way to troubleshoot this problem.
Best regards.
Smile
Alexey Trenikhun wrote
> Hello,
>
> I periodically see in JM log (Flink 12.2):
>
> {"ts":"2021-05-15T21:10:36.325Z","message":"The heartbeat of JobManager
> with id be8225ebae1d6422b7f268c801044b05 timed
> out.","logger_name":"org.apache.flink.runtime.resourcemanager.StandaloneResourceManager","thread_name":"flink-akka.actor.default-dispatcher-5","level":"INFO","level_value":20000}
>
> How to diagnose/troubleshoot this problem? Why could JobManager, which is
> co-located with resource manager timeout, I assume this is unlikely
> network issue?
>
> Thanks,
> Alexey
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