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Posted to common-dev@hadoop.apache.org by "Devaraj Das (JIRA)" <ji...@apache.org> on 2008/10/08 14:17:44 UTC

[jira] Commented: (HADOOP-2375) Task tracker should wait for the process to exit before declaring the task successful or failed.

    [ https://issues.apache.org/jira/browse/HADOOP-2375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12637898#action_12637898 ] 

Devaraj Das commented on HADOOP-2375:
-------------------------------------

Ignore my previous comment. This doesn't actually hold true in the case of jvm reuse.

> Task tracker should wait for the process to exit before declaring the task successful or failed.
> ------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2375
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2375
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Owen O'Malley
>            Assignee: Devaraj Das
>             Fix For: 0.20.0
>
>
> Currently when a task declares it is done, the status in the task tracker is changed immediately. Instead it should wait for the subprocess to actually be done before it moves to one of the final states. This lead to a race condition where the task was still generating log data after the job tracker had reported the task as done.

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