| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.Priority; |
| import org.apache.hadoop.yarn.factories.RecordFactory; |
| import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Queue; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSSchedulerApp; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| public class TestFSSchedulerApp { |
| private static RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(null); |
| |
| private ApplicationAttemptId createAppAttemptId(int appId, int attemptId) { |
| ApplicationAttemptId attId = recordFactory.newRecordInstance(ApplicationAttemptId.class); |
| ApplicationId appIdImpl = recordFactory.newRecordInstance(ApplicationId.class); |
| appIdImpl.setId(appId); |
| attId.setAttemptId(attemptId); |
| attId.setApplicationId(appIdImpl); |
| return attId; |
| } |
| |
| @Test |
| public void testDelayScheduling() { |
| Queue queue = Mockito.mock(Queue.class); |
| Priority prio = Mockito.mock(Priority.class); |
| Mockito.when(prio.getPriority()).thenReturn(1); |
| double nodeLocalityThreshold = .5; |
| double rackLocalityThreshold = .6; |
| |
| ApplicationAttemptId applicationAttemptId = createAppAttemptId(1, 1); |
| FSSchedulerApp schedulerApp = |
| new FSSchedulerApp(applicationAttemptId, "user1", queue , null, null); |
| |
| // Default level should be node-local |
| assertEquals(NodeType.NODE_LOCAL, schedulerApp.getAllowedLocalityLevel( |
| prio, 10, nodeLocalityThreshold, rackLocalityThreshold)); |
| |
| // First five scheduling opportunities should remain node local |
| for (int i = 0; i < 5; i++) { |
| schedulerApp.addSchedulingOpportunity(prio); |
| assertEquals(NodeType.NODE_LOCAL, schedulerApp.getAllowedLocalityLevel( |
| prio, 10, nodeLocalityThreshold, rackLocalityThreshold)); |
| } |
| |
| // After five it should switch to rack local |
| schedulerApp.addSchedulingOpportunity(prio); |
| assertEquals(NodeType.RACK_LOCAL, schedulerApp.getAllowedLocalityLevel( |
| prio, 10, nodeLocalityThreshold, rackLocalityThreshold)); |
| |
| // Manually set back to node local |
| schedulerApp.resetAllowedLocalityLevel(prio, NodeType.NODE_LOCAL); |
| schedulerApp.resetSchedulingOpportunities(prio); |
| assertEquals(NodeType.NODE_LOCAL, schedulerApp.getAllowedLocalityLevel( |
| prio, 10, nodeLocalityThreshold, rackLocalityThreshold)); |
| |
| // Now escalate again to rack-local, then to off-switch |
| for (int i = 0; i < 5; i++) { |
| schedulerApp.addSchedulingOpportunity(prio); |
| assertEquals(NodeType.NODE_LOCAL, schedulerApp.getAllowedLocalityLevel( |
| prio, 10, nodeLocalityThreshold, rackLocalityThreshold)); |
| } |
| |
| schedulerApp.addSchedulingOpportunity(prio); |
| assertEquals(NodeType.RACK_LOCAL, schedulerApp.getAllowedLocalityLevel( |
| prio, 10, nodeLocalityThreshold, rackLocalityThreshold)); |
| |
| for (int i = 0; i < 6; i++) { |
| schedulerApp.addSchedulingOpportunity(prio); |
| assertEquals(NodeType.RACK_LOCAL, schedulerApp.getAllowedLocalityLevel( |
| prio, 10, nodeLocalityThreshold, rackLocalityThreshold)); |
| } |
| |
| schedulerApp.addSchedulingOpportunity(prio); |
| assertEquals(NodeType.OFF_SWITCH, schedulerApp.getAllowedLocalityLevel( |
| prio, 10, nodeLocalityThreshold, rackLocalityThreshold)); |
| } |
| |
| @Test |
| /** |
| * Ensure that when negative paramaters are given (signaling delay scheduling |
| * no tin use), the least restrictive locality level is returned. |
| */ |
| public void testLocalityLevelWithoutDelays() { |
| Queue queue = Mockito.mock(Queue.class); |
| Priority prio = Mockito.mock(Priority.class); |
| Mockito.when(prio.getPriority()).thenReturn(1); |
| |
| ApplicationAttemptId applicationAttemptId = createAppAttemptId(1, 1); |
| FSSchedulerApp schedulerApp = |
| new FSSchedulerApp(applicationAttemptId, "user1", queue , null, null); |
| assertEquals(NodeType.OFF_SWITCH, schedulerApp.getAllowedLocalityLevel( |
| prio, 10, -1.0, -1.0)); |
| } |
| } |