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Hadoop QA commented on YARN-1307: --------------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12616171/YARN-1307.8.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-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager. {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-YARN-Build/2554//testReport/ Console output: https://builds.apache.org/job/PreCommit-YARN-Build/2554//console This message is automatically generated. > Rethink znode structure for RM HA > --------------------------------- > > Key: YARN-1307 > URL: https://issues.apache.org/jira/browse/YARN-1307 > Project: Hadoop YARN > Issue Type: Sub-task > Components: resourcemanager > Reporter: Tsuyoshi OZAWA > Assignee: Tsuyoshi OZAWA > Attachments: YARN-1307.1.patch, YARN-1307.2.patch, YARN-1307.3.patch, > YARN-1307.4-2.patch, YARN-1307.4-3.patch, YARN-1307.4.patch, > YARN-1307.5.patch, YARN-1307.6.patch, YARN-1307.7.patch, YARN-1307.8.patch > > > Rethink for znode structure for RM HA is proposed in some JIRAs(YARN-659, > YARN-1222). The motivation of this JIRA is quoted from Bikas' comment in > YARN-1222: > {quote} > We should move to creating a node hierarchy for apps such that all znodes for > an app are stored under an app znode instead of the app root znode. This will > help in removeApplication and also in scaling better on ZK. The earlier code > was written this way to ensure create/delete happens under a root znode for > fencing. But given that we have moved to multi-operations globally, this isnt > required anymore. > {quote} -- This message was sent by Atlassian JIRA (v6.1#6144)