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Posted to issues@beam.apache.org by "Beam JIRA Bot (Jira)" <ji...@apache.org> on 2020/08/10 17:07:16 UTC

[jira] [Commented] (BEAM-9049) MemoryMonitor thrashing detection is too aggressive for batch workers

    [ https://issues.apache.org/jira/browse/BEAM-9049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17174565#comment-17174565 ] 

Beam JIRA Bot commented on BEAM-9049:
-------------------------------------

This issue is P2 but has been unassigned without any comment for 60 days so it has been labeled "stale-P2". If this issue is still affecting you, we care! Please comment and remove the label. Otherwise, in 14 days the issue will be moved to P3.

Please see https://beam.apache.org/contribute/jira-priorities/ for a detailed explanation of what these priorities mean.


> MemoryMonitor thrashing detection is too aggressive for batch workers
> ---------------------------------------------------------------------
>
>                 Key: BEAM-9049
>                 URL: https://issues.apache.org/jira/browse/BEAM-9049
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-dataflow
>            Reporter: Brian Hulette
>            Priority: P2
>              Labels: stale-P2
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> In the streaming dataflow worker we've implemented push-back so that we will reduce parallelism when there is memory pressure. Since we cannot do this on the batch worker, it doesn't make sense for our thrashing detection to be so aggressive. We should increase the thresholds used for thrashing detection when running on Batch workloads.



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