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Posted to issues@beam.apache.org by "Yichi Zhang (Jira)" <ji...@apache.org> on 2019/09/26 02:21:00 UTC

[jira] [Commented] (BEAM-8314) Beam Fn Api metrics piling causes pipeline to stuck after running for a while

    [ https://issues.apache.org/jira/browse/BEAM-8314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16938187#comment-16938187 ] 

Yichi Zhang commented on BEAM-8314:
-----------------------------------

CC: [~markflyhigh] [~angoenka]

> Beam Fn Api metrics piling causes pipeline to stuck after running for a while
> -----------------------------------------------------------------------------
>
>                 Key: BEAM-8314
>                 URL: https://issues.apache.org/jira/browse/BEAM-8314
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-dataflow
>            Reporter: Yichi Zhang
>            Priority: Blocker
>             Fix For: 2.16.0
>
>
> Seems that in StreamingDataflowWorker we are not able to update the metrics fast enough to dataflow service, the piling metrics causes memory usage to increase and eventually leads to excessive memory thrashing/GC. And it will almost stop the pipeline from processing new items.
>  
> https://pantheon.corp.google.com/dataflow/jobsDetail/locations/us-central1/jobs/2019-09-25_17_47_17-1934265625846707281?project=google.com:clouddfe



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