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https://issues.apache.org/jira/browse/HADOOP-1322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12493485
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Doug Cutting commented on HADOOP-1322:
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I forgot to include the bug ID in the commit message. So, for the record, this
is in revision 534973.
http://svn.apache.org/viewvc?view=rev&revision=534973
> Tasktracker blacklist leads to hung jobs in single-node cluster
> ---------------------------------------------------------------
>
> Key: HADOOP-1322
> URL: https://issues.apache.org/jira/browse/HADOOP-1322
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Reporter: Arun C Murthy
> Assigned To: Arun C Murthy
> Priority: Critical
> Fix For: 0.13.0
>
> Attachments: HADOOP-1322_20070503_1.patch,
> HADOOP-1322_20070503_2.patch
>
>
> Post HADOOP-1278, adding _the_ tasktracker to the blacklist in single-node
> clusters leads to a situation where the entire cluster is 'flaky' and no
> trackers are available to execute tasks.
> The straight-forward fix to check before adding the tracker to the blacklist.
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