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Posted to mapreduce-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2013/02/13 02:53:13 UTC
[jira] [Updated] (MAPREDUCE-4992) AM hangs in RecoveryService when
recovering tasks with speculative attempts
[ https://issues.apache.org/jira/browse/MAPREDUCE-4992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jason Lowe updated MAPREDUCE-4992:
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Summary: AM hangs in RecoveryService when recovering tasks with speculative attempts (was: AM hung in RecoveryService)
> AM hangs in RecoveryService when recovering tasks with speculative attempts
> ---------------------------------------------------------------------------
>
> Key: MAPREDUCE-4992
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4992
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mr-am
> Affects Versions: trunk, 2.0.2-alpha, 0.23.6
> Reporter: Robert Parker
> Assignee: Robert Parker
> Priority: Critical
> Attachments: MAPREDUCE-4992v1.patch, MAPREDUCE-4992v2.patch
>
>
> A job hung in the Recovery Service on an AM restart. There were four map tasks events that were not processed and that prevented the complete task count from reaching zero which exits the recovery service. All four tasks were speculative
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