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Posted to dev@flink.apache.org by "Arvid Heise (Jira)" <ji...@apache.org> on 2020/11/06 13:39:00 UTC

[jira] [Created] (FLINK-20030) Barrier announcement causes outdated RemoteInputChannel#numBuffersOvertaken

Arvid Heise created FLINK-20030:
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             Summary: Barrier announcement causes outdated RemoteInputChannel#numBuffersOvertaken
                 Key: FLINK-20030
                 URL: https://issues.apache.org/jira/browse/FLINK-20030
             Project: Flink
          Issue Type: Bug
            Reporter: Arvid Heise


{{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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