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https://issues.apache.org/jira/browse/MAPREDUCE-1829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12874138#action_12874138
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Hadoop QA commented on MAPREDUCE-1829:
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-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12446037/MAPREDUCE-1829.txt
against trunk revision 950021.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
-1 patch. The patch command could not apply the patch.
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/217/console
This message is automatically generated.
> JobInProgress.findSpeculativeTask should use min() to find the candidate
> instead of sort()
> ------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1829
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1829
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: jobtracker
> Affects Versions: 0.22.0
> Reporter: Scott Chen
> Assignee: Scott Chen
> Priority: Minor
> Fix For: 0.22.0
>
> Attachments: MAPREDUCE-1829.txt
>
>
> findSpeculativeTask needs only one candidate to speculate so it does not need
> to sort the whole list. It may looks OK but someone can still submit big jobs
> with small slow task thresholds. In this case, this sorting becomes expensive.
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