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https://issues.apache.org/jira/browse/HADOOP-4374?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ravi Gummadi updated HADOOP-4374:
---------------------------------
Attachment: HADOOP-4374.v1.2.patch
Attaching patch removing LOG.warn and LOG.debug from shutdown hook as log
manager might already be shutdown by the time shutdown hook is executed. Also
removed syncLogs() call from finally bock in Child.java as shutdown hook takes
care of that.
> JVM should not be killed but given an opportunity to exit gracefully
> --------------------------------------------------------------------
>
> Key: HADOOP-4374
> URL: https://issues.apache.org/jira/browse/HADOOP-4374
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.19.0
> Reporter: Devaraj Das
> Assignee: Ravi Gummadi
> Fix For: 0.20.0
>
> Attachments: HADOOP-4374.patch, HADOOP-4374.v1.1.patch,
> HADOOP-4374.v1.2.patch, HADOOP-4374.v1.patch
>
>
> When the tasktracker picks an idle JVM for purging, it should signal the JVM
> to exit gracefully, rather than forcefully killing it. This might have the
> unfortunate side effect of logs not fully flushed yet in some cases.
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