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Posted to issues@beam.apache.org by "Beam JIRA Bot (Jira)" <ji...@apache.org> on 2021/05/09 17:20:01 UTC

[jira] [Commented] (BEAM-11403) Unbounded SDF wrapper causes performance regression on DirectRunner

    [ https://issues.apache.org/jira/browse/BEAM-11403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17341563#comment-17341563 ] 

Beam JIRA Bot commented on BEAM-11403:
--------------------------------------

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.


> Unbounded SDF wrapper causes performance regression on DirectRunner
> -------------------------------------------------------------------
>
>                 Key: BEAM-11403
>                 URL: https://issues.apache.org/jira/browse/BEAM-11403
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-direct, sdk-java-core
>            Reporter: Boyuan Zhang
>            Priority: P2
>              Labels: stale-P2
>          Time Spent: 4.5h
>  Remaining Estimate: 0h
>
> There is a significant performance regression when switching from UnboundedSource to Unbounded SDF wrapper. So far there are 2 IOs reported:
> * Pubsub Read: https://lists.apache.org/thread.html/re6b0941a8b4951293a0327ce9b25e607cafd6e45b69783f65290edee%40%3Cdev.beam.apache.org%3E
> * Kafka Read: https://the-asf.slack.com/archives/C9H0YNP3P/p1606155042346600



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