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Hudson commented on YARN-2155: ------------------------------ SUCCESS: Integrated in Hadoop-Hdfs-trunk #1773 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1773/]) YARN-2155. FairScheduler: Incorrect threshold check for preemption. (Wei Yan via kasha) (kasha: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1602295) * /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt * /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java * /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairSchedulerPreemption.java > FairScheduler: Incorrect threshold check for preemption > ------------------------------------------------------- > > Key: YARN-2155 > URL: https://issues.apache.org/jira/browse/YARN-2155 > Project: Hadoop YARN > Issue Type: Bug > Reporter: Wei Yan > Assignee: Wei Yan > Fix For: 2.5.0 > > Attachments: YARN-2155.patch > > > {code} > private boolean shouldAttemptPreemption() { > if (preemptionEnabled) { > return (preemptionUtilizationThreshold < Math.max( > (float) rootMetrics.getAvailableMB() / clusterResource.getMemory(), > (float) rootMetrics.getAvailableVirtualCores() / > clusterResource.getVirtualCores())); > } > return false; > } > {code} > preemptionUtilizationThreshould should be compared with allocatedResource > instead of availableResource. -- This message was sent by Atlassian JIRA (v6.2#6252)