[jira] [Commented] (ZOOKEEPER-2185) Run server with -XX:+HeapDumpOnOutOfMemoryError and -XX:OnOutOfMemoryError='kill %p'.

["Raul Gutierrez Segales (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14592352#comment-14592352 ] 

Raul Gutierrez Segales commented on ZOOKEEPER-2185:
---------------------------------------------------

+1, merging. Thanks [~cnauroth]!

> Run server with -XX:+HeapDumpOnOutOfMemoryError and -XX:OnOutOfMemoryError='kill %p'.
> -------------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2185
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2185
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: documentation, scripts
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>            Priority: Minor
>             Fix For: 3.5.1, 3.6.0
>
>         Attachments: ZOOKEEPER-2185.001.patch
>
>
> Continuing to run a server process after it runs out of memory can lead to unexpected behavior.  This issue proposes that we update scripts and documentation to add these JVM options:
> # {{-XX:+HeapDumpOnOutOfMemoryError}} for help with post-mortem analysis of why the process ran out of memory.
> # {{-XX:OnOutOfMemoryError='kill %p'}} to kill the JVM process, under the assumption that a process monitor will restart it.



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