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https://issues.apache.org/jira/browse/MAPREDUCE-1545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12868917#action_12868917
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David Ciemiewicz commented on MAPREDUCE-1545:
---------------------------------------------
Is this only for "first task" or are we measuring wait times in pending state
for ALL tasks?
Last week, we ran out of reduce slots. I had one job where 150 of my reduce
tasks had completed but other 150 were in a pending state (not running) for
over 1 hour.
Are we measuring pending time for all tasks or only for first task?
> Add 'first-task-launched' to job-summary
> ----------------------------------------
>
> Key: MAPREDUCE-1545
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1545
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobtracker
> Reporter: Arun C Murthy
> Assignee: Luke Lu
> Fix For: 0.22.0
>
> Attachments: mr-1545-trunk-v1.patch, mr-1545-trunk-v2.patch,
> mr-1545-y20s-v1.patch, mr-1545-y20s-v2.patch, mr-1545-y20s-v3.patch
>
>
> It would be useful to track 'first-task-launched' time to job-summary for
> better reporting.
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