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https://issues.apache.org/jira/browse/SPARK-12920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15416140#comment-15416140
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Marcelo Vanzin commented on SPARK-12920:
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[~rajesh.balamohan] if you haven't done so, please open a separate bug to track
the config caching issue, since it needs further investigation / discussion.
> Honor "spark.ui.retainedStages" to reduce mem-pressure
> ------------------------------------------------------
>
> Key: SPARK-12920
> URL: https://issues.apache.org/jira/browse/SPARK-12920
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Fix For: 2.1.0
>
> Attachments: SPARK-12920.profiler.png,
> SPARK-12920.profiler_job_progress_listner.png
>
>
> - Configured with fair-share-scheduler.
> - 4-5 users submitting/running jobs concurrently via spark-thrift-server
> - Spark thrift server spikes to1600+% CPU and stays there for long time
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