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Hadoop QA commented on YARN-1410: --------------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12620061/YARN-1410.1.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 4 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-api hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client 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/2712//testReport/ Console output: https://builds.apache.org/job/PreCommit-YARN-Build/2712//console This message is automatically generated. > Handle client failover during 2 step client API's like app submission > --------------------------------------------------------------------- > > Key: YARN-1410 > URL: https://issues.apache.org/jira/browse/YARN-1410 > Project: Hadoop YARN > Issue Type: Sub-task > Reporter: Bikas Saha > Assignee: Xuan Gong > Attachments: YARN-1410.1.patch > > > App submission involves > 1) creating appId > 2) using that appId to submit an ApplicationSubmissionContext to the user. > The client may have obtained an appId from an RM, the RM may have failed > over, and the client may submit the app to the new RM. > Since the new RM has a different notion of cluster timestamp (used to create > app id) the new RM may reject the app submission resulting in unexpected > failure on the client side. > The same may happen for other 2 step client API operations. -- This message was sent by Atlassian JIRA (v6.1.5#6160)