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From "David Vogelbacher (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-24437) Memory leak in UnsafeHashedRelation
Date Thu, 01 Nov 2018 14:42:00 GMT

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

David Vogelbacher updated SPARK-24437:
--------------------------------------
    Attachment: Screen Shot 2018-11-01 at 10.38.30 AM.png

> 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: Critical
>         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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