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https://issues.apache.org/jira/browse/SPARK-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14232504#comment-14232504
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Apache Spark commented on SPARK-874:
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User 'jbencook' has created a pull request for this issue:
https://github.com/apache/spark/pull/3567

> Have a --wait flag in ./sbin/stop-all.sh that polls until Worker's are 
> finished
> -------------------------------------------------------------------------------
>
>                 Key: SPARK-874
>                 URL: https://issues.apache.org/jira/browse/SPARK-874
>             Project: Spark
>          Issue Type: New Feature
>          Components: Deploy
>            Reporter: Patrick Wendell
>            Assignee: Archit Thakur
>            Priority: Minor
>              Labels: starter
>             Fix For: 1.2.0
>
>
> When running benchmarking jobs, sometimes the cluster takes a long time to 
> shut down. We should add a feature where it will ssh into all the workers 
> every few seconds and check that the processes are dead, and won't return 
> until they are all dead. This would help a lot with automating benchmarking 
> scripts.
> There is some equivalent logic here written in python, we just need to add it 
> to the shell script:
> https://github.com/pwendell/spark-perf/blob/master/bin/run#L117



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