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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2016/03/30 13:39:25 UTC

[jira] [Commented] (SPARK-14261) Memory leak in Spark Thrift Server

    [ https://issues.apache.org/jira/browse/SPARK-14261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15217824#comment-15217824 ] 

Sean Owen commented on SPARK-14261:
-----------------------------------

I don't think this argues that there's a memory leak. You should do a heap dump to see what the allocated memory consists of. It could be a build-up of cached objects, for example, which aren't cleared unless memory is actually low.

> Memory leak in Spark Thrift Server
> ----------------------------------
>
>                 Key: SPARK-14261
>                 URL: https://issues.apache.org/jira/browse/SPARK-14261
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.6.0
>            Reporter: Xiaochun Liang
>         Attachments: MemorySnapshot.PNG
>
>
> I am running Spark Thrift server on Windows Server 2012. The Spark Thrift server is launched as Yarn client mode. Its memory usage is increased gradually with the queries in.  I am wondering there is memory leak in Spark Thrift server.



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