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https://issues.apache.org/jira/browse/SPARK-15083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15423393#comment-15423393
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Apache Spark commented on SPARK-15083:
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User 'ajbozarth' has created a pull request for this issue:
https://github.com/apache/spark/pull/14673
> History Server would OOM due to unlimited TaskUIData in some stages
> -------------------------------------------------------------------
>
> Key: SPARK-15083
> URL: https://issues.apache.org/jira/browse/SPARK-15083
> Project: Spark
> Issue Type: Bug
> Components: Web UI
> Affects Versions: 1.5.2, 1.6.0, 2.0.0
> Reporter: Zheng Tan
> Attachments: Screen Shot 2016-05-01 at 3.50.02 PM.png, Screen Shot
> 2016-05-01 at 3.51.01 PM.png, Screen Shot 2016-05-01 at 3.51.59 PM.png,
> Screen Shot 2016-05-01 at 3.55.30 PM.png
>
>
> History Server will load all tasks in a stage, which would cause memory leak
> if tasks occupy too many memory.
> In the following example, a single application would consume 1.1G memory of
> History Sever.
> I think we should limit tasks memory usages by adding spark.ui.retainedTasks.
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