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https://issues.apache.org/jira/browse/MAPREDUCE-4366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alejandro Abdelnur resolved MAPREDUCE-4366.
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Resolution: Fixed
Fix Version/s: 1.3.0
Hadoop Flags: Reviewed
Thanks Sandy. Committed to branch-1.
> mapred metrics shows negative count of waiting maps and reduces
> ---------------------------------------------------------------
>
> Key: MAPREDUCE-4366
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4366
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Affects Versions: 1.0.2
> Reporter: Thomas Graves
> Assignee: Sandy Ryza
> Fix For: 1.3.0
>
> Attachments: MAPREDUCE-4366-branch-1-1.patch,
> MAPREDUCE-4366-branch-1.patch
>
>
> Negative waiting_maps and waiting_reduces count is observed in the mapred
> metrics. MAPREDUCE-1238 partially fixed this but it appears there is still
> issues as we are seeing it, but not as bad.
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