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Posted to issues@flink.apache.org by "Zhu Zhu (Jira)" <ji...@apache.org> on 2021/03/25 03:42:00 UTC

[jira] [Closed] (FLINK-21951) Fix wrong if condition in BufferReaderWriterUtil#writeBuffers

     [ https://issues.apache.org/jira/browse/FLINK-21951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhu Zhu closed FLINK-21951.
---------------------------
      Assignee: Yingjie Cao
    Resolution: Fixed

Fixed via 3533d9822f0f653f2848b31de0fc239b3a12dcef

> Fix wrong if condition in BufferReaderWriterUtil#writeBuffers
> -------------------------------------------------------------
>
>                 Key: FLINK-21951
>                 URL: https://issues.apache.org/jira/browse/FLINK-21951
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Network
>            Reporter: Yingjie Cao
>            Assignee: Yingjie Cao
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.13.0
>
>
> The wrong if condition in BufferReaderWriterUtil#writeBuffers may lead to data loss when bulk writing a large number of buffers into file. This is a bug intruded since 1.9, but only small amount of data is written, so the bug never occurs. In 1.13, the sort-merge shuffle uses it to write more data which triggers the bug.



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