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https://issues.apache.org/jira/browse/HADOOP-4287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12634813#action_12634813
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Vinod K V commented on HADOOP-4287:
-----------------------------------
This happens not just with the tasks that always fail, but with any TIPs that
fail for a few times before finishing/failing. I guess we should also maintai
mapRepeatAttempts and reduceRepeatAttempts to track repetitive task-execution
because of failures. These are similar to speculative{map|Reduce}Tasks to track
speculative task-execution.
> [mapred] jobqueue_details.jsp shows negative count of running and waiting
> reduces with CapacityTaskScheduler.
> -------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-4287
> URL: https://issues.apache.org/jira/browse/HADOOP-4287
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/capacity-sched
> Reporter: Vinod K V
>
> This I observed while running a job that always fails because of reduce
> failures. Need to investigate this.
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