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https://issues.apache.org/jira/browse/SPARK-24437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16496866#comment-16496866
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gagan taneja commented on SPARK-24437:
--------------------------------------
No Dynamic allocation. Also this is an issue with Driver where Broadcast is not
Garbage collected.
By any chance do you know which other Collection is holding reference to this
Broadcast. Also do you have a simple way of reproducing this issue
> 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
>
>
> 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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