You are viewing a plain text version of this content. The canonical link for it is here.
Posted to mapreduce-issues@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2011/02/27 12:30:58 UTC
[jira] Commented: (MAPREDUCE-2124) Add job counters for measuring
time spent in three different phases in reducers
[ https://issues.apache.org/jira/browse/MAPREDUCE-2124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12999937#comment-12999937 ]
Hadoop QA commented on MAPREDUCE-2124:
--------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12458569/test-result.txt
against trunk revision 1074251.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 68 new or modified tests.
-1 patch. The patch command could not apply the patch.
Console output: https://hudson.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/60//console
This message is automatically generated.
> Add job counters for measuring time spent in three different phases in reducers
> -------------------------------------------------------------------------------
>
> Key: MAPREDUCE-2124
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2124
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobtracker
> Affects Versions: 0.22.0
> Reporter: Scott Chen
> Assignee: Scott Chen
> Priority: Minor
> Attachments: MAPREDUCE-2124-v2.txt, MAPREDUCE-2124.txt, test-result.txt
>
>
> We currently have SLOTS_MILLIS_REDUCES which measures the total slot time of reducer.
> It will be useful if we have
> {code}
> SLOTS_MILLIS_REDUCES_COPY
> SLOTS_MILLIS_REDUCES_SORT
> SLOTS_MILLIS_REDUCES_REDUCE
> {code}
> which measures three different phases of a reducer.
> This will help us identify the bottleneck of the reducers.
--
This message is automatically generated by JIRA.
-
For more information on JIRA, see: http://www.atlassian.com/software/jira