diff --git 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-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java index 7a4e79c..80c86fb 100644 --- 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-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java @@ -1004,6 +1004,12 @@ private void continuousScheduling() { @Override public int compare(NodeId n1, NodeId n2) { + if (!nodes.containsKey(n1)) { + return 1; + } + if (!nodes.containsKey(n2)) { + return -1; + } return RESOURCE_CALCULATOR.compare(clusterResource, nodes.get(n2).getAvailableResource(), nodes.get(n1).getAvailableResource());