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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/15 08:44:02 UTC

[jira] [Updated] (SPARK-24437) Memory leak in UnsafeHashedRelation

     [ https://issues.apache.org/jira/browse/SPARK-24437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon updated SPARK-24437:
---------------------------------
    Priority: Major  (was: Critical)

> Memory leak in UnsafeHashedRelation
> -----------------------------------
>
>                 Key: SPARK-24437
>                 URL: https://issues.apache.org/jira/browse/SPARK-24437
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: gagan taneja
>            Priority: Major
>         Attachments: Screen Shot 2018-05-30 at 2.05.40 PM.png, Screen Shot 2018-05-30 at 2.07.22 PM.png, Screen Shot 2018-11-01 at 10.38.30 AM.png
>
>
> There seems to memory leak with org.apache.spark.sql.execution.joins.UnsafeHashedRelation
> We have a long running instance of STS.
> With each query execution requiring Broadcast Join, UnsafeHashedRelation is getting added for cleanup in ContextCleaner. This reference of UnsafeHashedRelation is being held at some other Collection and not becoming eligible for GC and because of this ContextCleaner is not able to clean it.



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