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https://issues.apache.org/jira/browse/SPARK-12920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajesh Balamohan updated SPARK-12920:
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Summary: Fix high CPU usage in spark thrift server with concurrent users
(was: Spark thrift server can run at very high CPU with concurrent users)
> Fix high CPU usage in spark thrift server with concurrent users
> ---------------------------------------------------------------
>
> Key: SPARK-12920
> URL: https://issues.apache.org/jira/browse/SPARK-12920
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Rajesh Balamohan
> 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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