[jira] [Resolved] (MAPREDUCE-2320) RAID DistBlockFixer should limit pending jobs instead of pending files

["Allen Wittenauer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved MAPREDUCE-2320.
-----------------------------------------
    Resolution: Won't Fix

MR RAID has been replaced by HDFS EC in modern versions of Hadoop.

> RAID DistBlockFixer should limit pending jobs instead of pending files
> ----------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2320
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2320
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/raid
>    Affects Versions: 0.20.2, 0.20.3
>            Reporter: Ramkumar Vadali
>            Assignee: Ramkumar Vadali
>            Priority: Minor
>
> DistBlockFixer limits the number of files being fixed simultaneously to avoid an unlimited backlog. This limits the number of parallel jobs though, and if one job has a long running task, it prevents newer jobs being started. Instead, it should have a limit on running jobs. That way, one long running task will not block other jobs.



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)

---------------------------------------------------------------------
To unsubscribe, e-mail: mapreduce-dev-unsubscribe@hadoop.apache.org
For additional commands, e-mail: mapreduce-dev-help@hadoop.apache.org