diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java index fbcb91c..70ccbf9 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java @@ -175,8 +175,8 @@ protected synchronized void setupQueueConfigs(Resource clusterResource) maxApplications = (int) (maxSystemApps * queueCapacities.getAbsoluteCapacity()); } - maxApplicationsPerUser = - (int)(maxApplications * (userLimit / 100.0f) * userLimitFactor); + maxApplicationsPerUser = Math.min(maxApplications, + (int)(maxApplications * (userLimit / 100.0f) * userLimitFactor)); maxAMResourcePerQueuePercent = conf.getMaximumApplicationMasterResourcePerQueuePercent(getQueuePath()); diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java index e668d94..8a3051b 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationLimits.java @@ -326,8 +326,9 @@ public void testLimitsComputation() throws Exception { queue.getAbsoluteCapacity()); assertEquals(expectedMaxApps, queue.getMaxApplications()); - int expectedMaxAppsPerUser = (int)(expectedMaxApps * - (queue.getUserLimit()/100.0f) * queue.getUserLimitFactor()); + int expectedMaxAppsPerUser = Math.min(expectedMaxApps, + (int)(expectedMaxApps * (queue.getUserLimit()/100.0f) * + queue.getUserLimitFactor())); assertEquals(expectedMaxAppsPerUser, queue.getMaxApplicationsPerUser()); // should default to global setting if per queue setting not set @@ -377,8 +378,8 @@ public void testLimitsComputation() throws Exception { assertEquals(9999, (int)csConf.getMaximumApplicationsPerQueue(queue.getQueuePath())); assertEquals(9999, queue.getMaxApplications()); - expectedMaxAppsPerUser = (int)(9999 * - (queue.getUserLimit()/100.0f) * queue.getUserLimitFactor()); + expectedMaxAppsPerUser = Math.min(9999, (int)(9999 * + (queue.getUserLimit()/100.0f) * queue.getUserLimitFactor())); assertEquals(expectedMaxAppsPerUser, queue.getMaxApplicationsPerUser()); }