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Hadoop QA commented on YARN-1408: --------------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12654025/Yarn-1408.7.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 3 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}. There were no new javadoc 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/4197//testReport/ Console output: https://builds.apache.org/job/PreCommit-YARN-Build/4197//console This message is automatically generated. > Preemption caused Invalid State Event: ACQUIRED at KILLED and caused a task > timeout for 30mins > ---------------------------------------------------------------------------------------------- > > Key: YARN-1408 > URL: https://issues.apache.org/jira/browse/YARN-1408 > Project: Hadoop YARN > Issue Type: Sub-task > Components: resourcemanager > Affects Versions: 2.2.0 > Reporter: Sunil G > Assignee: Sunil G > Attachments: Yarn-1408.1.patch, Yarn-1408.2.patch, Yarn-1408.3.patch, > Yarn-1408.4.patch, Yarn-1408.5.patch, Yarn-1408.6.patch, Yarn-1408.7.patch, > Yarn-1408.patch > > > Capacity preemption is enabled as follows. > * yarn.resourcemanager.scheduler.monitor.enable= true , > * > yarn.resourcemanager.scheduler.monitor.policies=org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy > Queue = a,b > Capacity of Queue A = 80% > Capacity of Queue B = 20% > Step 1: Assign a big jobA on queue a which uses full cluster capacity > Step 2: Submitted a jobB to queue b which would use less than 20% of cluster > capacity > JobA task which uses queue b capcity is been preempted and killed. > This caused below problem: > 1. New Container has got allocated for jobA in Queue A as per node update > from an NM. > 2. This container has been preempted immediately as per preemption. > Here ACQUIRED at KILLED Invalid State exception came when the next AM > heartbeat reached RM. > ERROR > org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl: > Can't handle this event at current state > org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event: > ACQUIRED at KILLED > This also caused the Task to go for a timeout for 30minutes as this Container > was already killed by preemption. > attempt_1380289782418_0003_m_000000_0 Timed out after 1800 secs -- This message was sent by Atlassian JIRA (v6.2#6252)