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Hadoop QA commented on HBASE-6728: ---------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12550142/6728-trunk.txt against trunk revision . {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 3 new or modified tests. {color:green}+1 hadoop2.0{color}. The patch compiles against the hadoop 2.0 profile. {color:red}-1 javadoc{color}. The javadoc tool appears to have generated 82 warning messages. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:red}-1 findbugs{color}. The patch appears to introduce 5 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 . Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/3105//testReport/ Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3105//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3105//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3105//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3105//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/3105//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/3105//console This message is automatically generated. > [89-fb] prevent OOM possibility due to per connection responseQueue being > unbounded > ----------------------------------------------------------------------------------- > > Key: HBASE-6728 > URL: https://issues.apache.org/jira/browse/HBASE-6728 > Project: HBase > Issue Type: Bug > Reporter: Kannan Muthukkaruppan > Assignee: Michal Gregorczyk > Fix For: 0.96.0 > > Attachments: 6728-trunk.txt > > > The per connection responseQueue is an unbounded queue. The request handler > threads today try to send the response in line, but if things start to > backup, the response is sent via a per connection responder thread. This > intermediate queue, because it has no bounds, can be another source of OOMs. > [Have not looked at this issue in trunk. So it may or may not be applicable > there.] -- 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