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http://issues.apache.org/jira/browse/HADOOP-846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12461840
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Owen O'Malley commented on HADOOP-846:
--------------------------------------
The status thread is not cleaned up if the merge throws an exception. I think
it should probably look like:
try {
runner.run(...);
... merge code ...
} finally {
in.close();
collector.close();
sortProgress.interrupt();
}
so that if run() throws, the merge code won't run. But if the merge code throws
then the cleanup is still done.
> Progress report is not sent during the intermediate sorts in the map phase
> --------------------------------------------------------------------------
>
> Key: HADOOP-846
> URL: http://issues.apache.org/jira/browse/HADOOP-846
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Reporter: Devaraj Das
> Assigned To: Devaraj Das
> Attachments: 846-correct.patch, 846.patch
>
>
> Have seen tasks getting lost at the TaskTracker's end due to MapTask's
> progress not getting reported for a long time (the configured timeout). The
> progress report is currently not sent in the intermediate sort phases in the
> MapTask. But, if for some reason, the sort takes a long time, the TaskTracker
> might kill the task.
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