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Hadoop QA commented on MAPREDUCE-1829: -------------------------------------- -1 overall. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12446753/MAPREDUCE-1829-20100610.txt against trunk revision 953879. +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 javadoc. The javadoc tool did not generate any warning messages. +1 javac. The applied patch does not increase the total number of javac compiler warnings. +1 findbugs. The patch does not introduce any new Findbugs warnings. +1 release audit. The applied patch does not increase the total number of release audit warnings. -1 core tests. The patch failed core unit tests. -1 contrib tests. The patch failed contrib unit tests. Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/237/testReport/ Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/237/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/237/artifact/trunk/build/test/checkstyle-errors.html Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/237/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 > Fix For: 0.22.0 > > Attachments: MAPREDUCE-1829-20100610.txt, 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. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.