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Posted to mapreduce-issues@hadoop.apache.org by "Robert Kanter (JIRA)" <ji...@apache.org> on 2016/02/20 02:17:18 UTC

[jira] [Updated] (MAPREDUCE-6613) Change mapreduce.jobhistory.jhist.format default from json to binary

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6613?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Kanter updated MAPREDUCE-6613:
-------------------------------------
       Resolution: Fixed
     Hadoop Flags: Incompatible change,Reviewed  (was: Incompatible change)
    Fix Version/s: 3.0.0
           Status: Resolved  (was: Patch Available)

Thanks everyone.  Committed to trunk!

> Change mapreduce.jobhistory.jhist.format default from json to binary
> --------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6613
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6613
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>    Affects Versions: 2.8.0
>            Reporter: Ray Chiang
>            Assignee: Ray Chiang
>            Priority: Minor
>             Fix For: 3.0.0
>
>         Attachments: MAPREDUCE-6613.001.patch
>
>
> MAPREDUCE-6376 added a configuration setting to set up .jhist internal format:
> mapreduce.jobhistory.jhist.format
> Currently, the default is "json".  Changing the default to "binary" allows faster parsing, but with the downside of making the file not output friendly by using "hadoop fs cat".



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