Hi RKandoji,

> Could someone please tell me what is the best way to check amount of heap
consumed by Job Manager?

I'm not sure if there is a best way to achieve this. However there are some
workaround ways.
1. Through metrics [1]
2. Print GC in stdout. You could achieve it through config item
"env.java.opts.jobmanager", like "env.java.opts.jobmanager:
-XX:+PrintGCDetails".

> Also is there any relationship between heap memory settings and
checkpointing, I did not see any but curious.

I guess there is no direct relationship between memory settings ant
checkpointing. However I don't think there is a short answer which could
explain this clearly. Like OOM or heavy full GC, they could affect almost
everything, of course checkpointing is also included :)


[1]
https://ci.apache.org/projects/flink/flink-docs-release-1.9/monitoring/metrics.html#memory

Thanks,
Biao /'bɪ.aʊ/



On Fri, 17 Jan 2020 at 09:12, RKandoji <rkand...@gmail.com> wrote:

> Hi,
>
> Could someone please tell me what is the best way to check amount of heap
> consumed by Job Manager?
>
> Currently I added huge heap of 20GB for both Job Manager and Task Manager.
> I'm able to see task manager heap usage on UI but not for Job Manager.
>
> I would like to decide how much heap to allocate based on usage.
>
> Also is there any relationship between heap memory settings and
> checkpointing, I did not see any but curious.
>
> Thanks,
> RK
>

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