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https://issues.apache.org/jira/browse/MAPREDUCE-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Graves updated MAPREDUCE-1238:
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Attachment: MAPREDUCE-1238-branch-1.patch
There is no unit test along with this, I don't see any easy way to add one
since its a race condition as to when the kill happens. I've manually tested
it and made sure the kill comes in before init, during init, and after init and
verified the waiting_* metrics correct after each.
> mapred metrics shows negative count of waiting maps and reduces
> ----------------------------------------------------------------
>
> Key: MAPREDUCE-1238
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1238
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Reporter: Ramya Sunil
> Assignee: Thomas Graves
> Attachments: MAPREDUCE-1238-branch-1.patch,
> MAPREDUCE-1238-v0.20-1.patch
>
>
> Negative waiting_maps and waiting_reduces count is observed in the mapred
> metrics
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