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Posted to issues@flink.apache.org by "Arvid Heise (Jira)" <ji...@apache.org> on 2020/11/20 07:16:00 UTC

[jira] [Resolved] (FLINK-20030) Barrier announcement causes outdated RemoteInputChannel#numBuffersOvertaken

     [ https://issues.apache.org/jira/browse/FLINK-20030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arvid Heise resolved FLINK-20030.
---------------------------------
    Resolution: Fixed

> Barrier announcement causes outdated RemoteInputChannel#numBuffersOvertaken
> ---------------------------------------------------------------------------
>
>                 Key: FLINK-20030
>                 URL: https://issues.apache.org/jira/browse/FLINK-20030
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Checkpointing, Runtime / Network
>    Affects Versions: 1.12.0
>            Reporter: Arvid Heise
>            Assignee: Roman Khachatryan
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.12.0
>
>
> {{numBuffersOvertaken}} is set when the announcement is enqueued, but it can take quite a while until the checkpoint is actually started with quite a non-priority buffers being drained.
> We should move away from {{numBuffersOvertaken}} and use sequence numbers.



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