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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4729) job history UI not showing all job attempts
Date Thu, 18 Oct 2012 21:14:05 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479369#comment-13479369
] 

Vinod Kumar Vavilapalli commented on MAPREDUCE-4729:
----------------------------------------------------

bq. I think we should fix that so that even if recovery isn't supported we atleast parse and
get the previous AM attempt info.
+1

bq. I'm not a pig expert but perhaps we should also follow up with pig team to see if they
should support Recovery
This is a general issue with all OutputFormats. We need to educate users that they need to
start implementing recovery.
                
> job history UI not showing all job attempts
> -------------------------------------------
>
>                 Key: MAPREDUCE-4729
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4729
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobhistoryserver
>    Affects Versions: 0.23.3
>            Reporter: Thomas Graves
>
> We are seeing a case where a job runs but the AM is running out of memory in the first
3 attempts. The job eventually finishes on the 4th attempt.  When you go to the job history
UI for that job, it only shows the last attempt.  This is bad since we want to see why the
first 3 attempts failed.
> The RM web ui shows all 4 attempts. 
> Also I tested this locally by running "kill" on the app master and in that case the history
server UI does show all attempts.

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