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Posted to mapreduce-issues@hadoop.apache.org by "Priyo Mustafi (JIRA)" <ji...@apache.org> on 2011/02/01 02:48:29 UTC
[jira] Commented: (MAPREDUCE-1825) jobqueue_details.jsp and
FairSchedulerServelet should not call finishedMaps and finishedReduces when
job is not initialized
[ https://issues.apache.org/jira/browse/MAPREDUCE-1825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12988997#comment-12988997 ]
Priyo Mustafi commented on MAPREDUCE-1825:
------------------------------------------
Hi Scott,
I tested the new patch and this looks good. Looks like the patch applies fine on trunk but not on 0.22 because MAPREDUCE-1783 was added to trunk.
> jobqueue_details.jsp and FairSchedulerServelet should not call finishedMaps and finishedReduces when job is not initialized
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1825
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1825
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Affects Versions: 0.20.1
> Reporter: Amareshwari Sriramadasu
> Assignee: Scott Chen
> Fix For: 0.22.0
>
> Attachments: MAPREDUCE-1825.txt, MAPREDUCE-1825_1.txt, MAPREDUCE-1825_2.txt, MAPREDUCE-1825_3.txt, jstacks.zip
>
>
> JobInProgress.finishedMaps() and finishedReduces() are synchronized. They are called from jobqueue_details.jsp and FairSchedulerServelet which iterates through all jobs. If any job is in initialization, these pages don't come up until the initialization finishes.
> See [comment|https://issues.apache.org/jira/browse/MAPREDUCE-1354?focusedCommentId=12834139&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12834139] for more details
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