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Posted to common-dev@hadoop.apache.org by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org> on 2008/11/13 04:45:44 UTC

[jira] Commented: (HADOOP-4646) Reduce stuck in pending state for ever even though the job tracker shows a lot of free slots

    [ https://issues.apache.org/jira/browse/HADOOP-4646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12647174#action_12647174 ] 

Amareshwari Sriramadasu commented on HADOOP-4646:
-------------------------------------------------

Runping, Can you attach JobTracker log and one of stuck reducer log?

> Reduce stuck in pending state for ever even though the job tracker shows a lot of free slots
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-4646
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4646
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.17.2
>            Reporter: Runping Qi
>
> A job with 38 mappers and 38 reducers running on a cluster with 36 slots.
> All mapper tasks completed. 17 reducer tasks completed. 11 reducers are still in the running state
> and one is in the oending state and stay there forever.

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