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Posted to issues@flink.apache.org by "Yingjie Cao (Jira)" <ji...@apache.org> on 2022/01/26 02:26:00 UTC

[jira] [Assigned] (FLINK-25653) Move buffer recycle in SortMergeSubpartitionReader out of lock to avoid deadlock

     [ https://issues.apache.org/jira/browse/FLINK-25653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yingjie Cao reassigned FLINK-25653:
-----------------------------------

    Assignee: Yuxin Tan

> Move buffer recycle in SortMergeSubpartitionReader out of lock to avoid deadlock
> --------------------------------------------------------------------------------
>
>                 Key: FLINK-25653
>                 URL: https://issues.apache.org/jira/browse/FLINK-25653
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Network
>    Affects Versions: 1.13.5, 1.14.3
>            Reporter: Yingjie Cao
>            Assignee: Yuxin Tan
>            Priority: Major
>             Fix For: 1.15.0, 1.13.6, 1.14.4
>
>
> For the current sort-shuffle implementation, the different lock order in SortMergeSubpartitionReader and SortMergeResultPartitionReadScheduler can cause deadlock. To solve the problem, we can move buffer recycle in SortMergeSubpartitionReader out of the lock.



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