[jira] Updated: (HADOOP-2378) last TaskCompletionEvent gets added to the job after the job is marked as completed

["Alejandro Abdelnur (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-2378?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alejandro Abdelnur updated HADOOP-2378:
---------------------------------------

    Attachment: patch2378.txt

> last TaskCompletionEvent gets added to the job after the job is marked as completed
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-2378
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2378
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>         Environment: all
>            Reporter: Alejandro Abdelnur
>            Priority: Blocker
>             Fix For: 0.15.2
>
>         Attachments: patch2378.txt
>
>
> In the JobInProgress the last TaskCompletionEvent gets added to the job after the completedTask() method is invoked.
> The completedTask() method has to be invoked after the completion event is added to the job.
> If not when the job is moved into completed before the last completion event is in the job causing a temporary inconsistency in the JT as one task completion event is still missing.
> This blocks a fix for HADOOP-1876 where the job info is persisted as soon as the job is completed, thus the last completion event is missing.

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