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https://issues.apache.org/jira/browse/MAPREDUCE-1158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sharad Agarwal updated MAPREDUCE-1158:
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Affects Version/s: (was: 0.20.1)
0.22.0
Fix Version/s: (was: 0.20.2)
0.22.0
> running_maps is not decremented when the tasks of a job is killed/failed
> -------------------------------------------------------------------------
>
> Key: MAPREDUCE-1158
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1158
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Affects Versions: 0.22.0
> Reporter: Ramya R
> Assignee: Sharad Agarwal
> Fix For: 0.22.0
>
> Attachments: 1158.patch
>
>
> running_maps counter in the metrics is not decremented when the tasks of a
> job is killed/failed. Below are the exact steps to reproduce the problem:
> * Initially running_maps=0
> * Submit a job with 5 maps. running_maps is set to 5
> * Kill 2 attempts of a map task
> * Fail 4 attempts of the same map task so that the job is finally marked
> killed.
> * Once the job is marked killed, running_maps is set to 3 and not 0.
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