[jira] [Commented] (MAPREDUCE-6954) Disable erasure coding for files that are uploaded to the MR staging area

["Peter Bacsko (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16158602#comment-16158602 ] 

Peter Bacsko commented on MAPREDUCE-6954:
-----------------------------------------

Forgot to update {{mapred-default.xml}}, will do it in the next patch.

> Disable erasure coding for files that are uploaded to the MR staging area
> -------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6954
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6954
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 3.0.0-alpha4
>            Reporter: Peter Bacsko
>            Assignee: Peter Bacsko
>         Attachments: MAPREDUCE-6954-001.patch
>
>
> Depending on the encoder/decoder used and the type or MR workload, EC might negatively affect the performance of an MR job if too many files are localized.
> In such a scenario, users might want to disable EC in the staging area to speed up the execution.



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

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