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Hudson commented on YARN-3319: ------------------------------ FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #174 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/174/]) YARN-3319. Implement a FairOrderingPolicy. (Craig Welch via wangda) (wangda: rev 395205444e8a9ae6fc86f0a441e98486a775511a) * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/policy/TestFairOrderingPolicy.java * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java * hadoop-yarn-project/CHANGES.txt * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/policy/FairOrderingPolicy.java * hadoop-yarn-project/hadoop-yarn/dev-support/findbugs-exclude.xml * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.java * hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/policy/CompoundComparator.java > Implement a FairOrderingPolicy > ------------------------------ > > Key: YARN-3319 > URL: https://issues.apache.org/jira/browse/YARN-3319 > Project: Hadoop YARN > Issue Type: Sub-task > Components: scheduler > Reporter: Craig Welch > Assignee: Craig Welch > Fix For: 2.8.0 > > Attachments: YARN-3319.13.patch, YARN-3319.14.patch, > YARN-3319.17.patch, YARN-3319.35.patch, YARN-3319.39.patch, > YARN-3319.45.patch, YARN-3319.47.patch, YARN-3319.53.patch, > YARN-3319.58.patch, YARN-3319.70.patch, YARN-3319.71.patch, > YARN-3319.72.patch, YARN-3319.73.patch, YARN-3319.74.patch, YARN-3319.75.patch > > > Implement a FairOrderingPolicy which prefers to allocate to > SchedulerProcesses with least current usage, very similar to the > FairScheduler's FairSharePolicy. > The Policy will offer allocations to applications in a queue in order of > least resources used, and preempt applications in reverse order (from most > resources used). This will include conditional support for sizeBasedWeight > style adjustment > Optionally, based on a conditional configuration to enable sizeBasedWeight > (default false), an adjustment to boost larger applications (to offset the > natural preference for smaller applications) will adjust the resource usage > value based on demand, dividing it by the below value: > Math.log1p(app memory demand) / Math.log(2); > In cases where the above is indeterminate (two applications are equal after > this comparison), behavior falls back to comparison based on the application > id, which is generally lexically FIFO for that comparison -- This message was sent by Atlassian JIRA (v6.3.4#6332)