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https://issues.apache.org/jira/browse/SPARK-5889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14327238#comment-14327238
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Sean Owen commented on SPARK-5889:
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Yeah I wanted to do this in the original PR, although I think there's a small
potential problem: what if {{kill}} fails? then you lose the PID file. In that
case, a lot of bets are off anyway and it's not clear that subsequent retries
would succeed.
Still, since the script handles old PID files already (er, it's trying to), I
wonder if this can be slightly more conservative and only remove if kill
succeeds?
> remove pid file in spark-daemon.sh after killing the process.
> -------------------------------------------------------------
>
> Key: SPARK-5889
> URL: https://issues.apache.org/jira/browse/SPARK-5889
> Project: Spark
> Issue Type: Bug
> Affects Versions: 1.2.1
> Reporter: Zhan Zhang
>
> Currently, if the thriftserver/history server are stopped. The pid file is
> not deleted. The fix is trial, but it is important for some service checking
> relying on the file.
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