[ 
https://issues.apache.org/jira/browse/MAPREDUCE-1184?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Allen Wittenauer resolved MAPREDUCE-1184.
-----------------------------------------

    Resolution: Won't Fix
    
> mapred.reduce.slowstart.completed.maps is too low by default
> ------------------------------------------------------------
>
>                 Key: MAPREDUCE-1184
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1184
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 0.20.1, 0.20.2
>            Reporter: Allen Wittenauer
>
> By default, this value is set to 5%.  I believe for most real world 
> situations the code isn't efficient enough to be set this low.  This should 
> be higher, probably around the 50% mark, especially given the predominance of 
> non-FIFO schedulers.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: 
https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Reply via email to