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Posted to common-dev@hadoop.apache.org by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org> on 2009/04/02 05:48:13 UTC
[jira] Resolved: (HADOOP-5609) Reducers continue to run even if a
job failed.
[ https://issues.apache.org/jira/browse/HADOOP-5609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Amareshwari Sriramadasu resolved HADOOP-5609.
---------------------------------------------
Resolution: Duplicate
Fixed by HADOOP-5247
> Reducers continue to run even if a job failed.
> ----------------------------------------------
>
> Key: HADOOP-5609
> URL: https://issues.apache.org/jira/browse/HADOOP-5609
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.3
> Reporter: Qi Liu
>
> When a job failed, in rare case, some reducer slots are not freed (continue to try collecting data even if the job is not running). These occupied reducer slots are not usable by following mapred jobs unless the task trackers are restarted.
> These reducers continue to report the progress to job tracker, which results the following logs:
> 2009-03-31 23:59:59,992 INFO org.apache.hadoop.mapred.JobTracker: Serious problem. While updating status, cannot find taskid attempt_200903241312_0074_r_000001_0
> 2009-03-31 23:59:59,992 INFO org.apache.hadoop.mapred.JobTracker: Serious problem. While updating status, cannot find taskid attempt_200903241312_0074_r_000958_0
> 2009-03-31 23:59:59,997 INFO org.apache.hadoop.mapred.JobTracker: Serious problem. While updating status, cannot find taskid attempt_200903241312_0074_r_000440_0
> 2009-03-31 23:59:59,998 INFO org.apache.hadoop.mapred.JobTracker: Serious problem. While updating status, cannot find taskid attempt_200903241312_0074_r_000463_0
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