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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5704) Optimize nextJobId in JobTracker
Date Sat, 02 May 2015 04:42:11 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14524824#comment-14524824
] 

Hadoop QA commented on MAPREDUCE-5704:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | patch |   0m  1s | The patch command could not apply the patch during
dryrun. |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12621052/MAPREDUCE-5704.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / f1a152c |
| Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5548/console |


This message was automatically generated.

> Optimize nextJobId in JobTracker
> --------------------------------
>
>                 Key: MAPREDUCE-5704
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5704
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobtracker, mrv1
>    Affects Versions: 1.2.1
>            Reporter: JamesLi
>            Assignee: JamesLi
>         Attachments: MAPREDUCE-5704.patch
>
>
> When jobtracker start, nextJobId start with 1,if we have run 3000 jobs  then restart
jobtracker and run a new job,we can not see this new job on jobtracker:5030/jobhistory.jsp
unless click "get more results" button.
> In jobhistory_jsp.java, array SCAN_SIZES controls job numbers displayed on jobhistory.jsp.
> I make a little chage,when jobtracker start,find the biggest id under history done directory,job
will start with maxId+1 or 1 if can not find any job files.



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