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Posted to issues@spark.apache.org by "Norman Maurer (Jira)" <ji...@apache.org> on 2019/11/20 08:46:00 UTC

[jira] [Commented] (SPARK-29971) Multiple possible buffer leaks in TransportFrameDecoder and TransportCipher

    [ https://issues.apache.org/jira/browse/SPARK-29971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16978206#comment-16978206 ] 

Norman Maurer commented on SPARK-29971:
---------------------------------------

PR for a fix is here:

https://github.com/apache/spark/pull/26609

The issue was first reported in netty itself:
https://github.com/netty/netty/issues/9784

> Multiple possible buffer leaks in TransportFrameDecoder and TransportCipher
> ---------------------------------------------------------------------------
>
>                 Key: SPARK-29971
>                 URL: https://issues.apache.org/jira/browse/SPARK-29971
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 2.4.4, 3.0.0
>            Reporter: Norman Maurer
>            Priority: Major
>
> TransportFrameDecoder and TransportCipher currently not carefully manage the life-cycle of ByteBuf instances and so leak memory in some cases.



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