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Hadoop QA commented on MAPREDUCE-4730: -------------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12549805/MAPREDUCE-4730.patch against trunk revision . {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:red}-1 tests included{color}. 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. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:red}-1 javadoc{color}. The javadoc tool appears to have generated -4 warning messages. {color:green}+1 eclipse:eclipse{color}. The patch built with eclipse:eclipse. {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 1.3.9) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 core tests{color}. The patch passed unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core. {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2945//testReport/ Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2945//console This message is automatically generated. > AM crashes due to OOM while serving up map task completion events > ----------------------------------------------------------------- > > Key: MAPREDUCE-4730 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-4730 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: applicationmaster, mrv2 > Affects Versions: 0.23.3 > Reporter: Jason Lowe > Assignee: Jason Lowe > Priority: Blocker > Attachments: MAPREDUCE-4730.patch, MAPREDUCE-4730.patch > > > We're seeing a repeatable OOM crash in the AM for a task with around 30000 > maps and 3000 reducers. Details to follow. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira