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Hadoop QA commented on HADOOP-9045: ----------------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12554497/HADOOP-9045-v4.patch 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 1 new or modified test files. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javadoc{color}. The javadoc tool did not generate any 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-hdfs-project/hadoop-hdfs. {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/1787//testReport/ Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/1787//console This message is automatically generated. > In nodegroup-aware case, make sure nodes are avoided to place replica if some > replica are already under the same nodegroup > -------------------------------------------------------------------------------------------------------------------------- > > Key: HADOOP-9045 > URL: https://issues.apache.org/jira/browse/HADOOP-9045 > Project: Hadoop Common > Issue Type: Bug > Components: fs > Affects Versions: 2.0.2-alpha > Reporter: Junping Du > Assignee: Junping Du > Attachments: HADOOP-9045.patch, HADOOP-9045-v2.patch, > HADOOP-9045-v3.patch, HADOOP-9045-v4.patch > > > In previous implementation for HADOOP-8468, 3rd replica is avoid to place on > the same nodegroup of 2nd replica. But it didn't provide check on nodegroup > of 1st replica, so if 2nd replica's rack is not efficient to place replica, > then it is possible to place 3rd and 1st replica within the same node group. > We need a change to remove all nodes from available nodes for placing replica > if there already replica on the same nodegroup. -- 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