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Posted to issues@flink.apache.org by "aitozi (JIRA)" <ji...@apache.org> on 2019/05/15 15:19:00 UTC

[jira] [Commented] (FLINK-12284) InputBufferPoolUsage is incorrect in credit-based network control flow

    [ https://issues.apache.org/jira/browse/FLINK-12284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16840499#comment-16840499 ] 

aitozi commented on FLINK-12284:
--------------------------------

It's truly a bug, because the exclusive buffers are assigned in advance from networkbufferpool not occupy the number buffer in LocalBufferPool

> InputBufferPoolUsage is incorrect in credit-based network control flow
> ----------------------------------------------------------------------
>
>                 Key: FLINK-12284
>                 URL: https://issues.apache.org/jira/browse/FLINK-12284
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Network
>    Affects Versions: 1.6.3, 1.6.4, 1.7.2, 1.8.0
>            Reporter: Xiaogang Shi
>            Assignee: aitozi
>            Priority: Major
>
> When using credit-based network control flow, exclusive buffers are directly assigned to {{RemoteInputChannel}} and are not counted in {{LocalBufferPool}}, leading to incorrect InputBufferPoolUsage.



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