| /** |
| * 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.distributed; |
| |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.server.api.records.ContainerQueuingLimit; |
| import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| import java.util.List; |
| |
| /** |
| * Unit tests for NodeQueueLoadMonitor. |
| */ |
| public class TestNodeQueueLoadMonitor { |
| |
| static class FakeNodeId extends NodeId { |
| final String host; |
| final int port; |
| |
| public FakeNodeId(String host, int port) { |
| this.host = host; |
| this.port = port; |
| } |
| |
| @Override |
| public String getHost() { |
| return host; |
| } |
| |
| @Override |
| public int getPort() { |
| return port; |
| } |
| |
| @Override |
| protected void setHost(String host) {} |
| @Override |
| protected void setPort(int port) {} |
| @Override |
| protected void build() {} |
| |
| @Override |
| public String toString() { |
| return host + ":" + port; |
| } |
| } |
| |
| @Test |
| public void testWaitTimeSort() { |
| NodeQueueLoadMonitor selector = new NodeQueueLoadMonitor( |
| NodeQueueLoadMonitor.LoadComparator.QUEUE_WAIT_TIME); |
| selector.updateNode(createRMNode("h1", 1, 15, 10)); |
| selector.updateNode(createRMNode("h2", 2, 5, 10)); |
| selector.updateNode(createRMNode("h3", 3, 10, 10)); |
| selector.computeTask.run(); |
| List<NodeId> nodeIds = selector.selectNodes(); |
| System.out.println("1-> " + nodeIds); |
| Assert.assertEquals("h2:2", nodeIds.get(0).toString()); |
| Assert.assertEquals("h3:3", nodeIds.get(1).toString()); |
| Assert.assertEquals("h1:1", nodeIds.get(2).toString()); |
| |
| // Now update node3 |
| selector.updateNode(createRMNode("h3", 3, 2, 10)); |
| selector.computeTask.run(); |
| nodeIds = selector.selectNodes(); |
| System.out.println("2-> "+ nodeIds); |
| Assert.assertEquals("h3:3", nodeIds.get(0).toString()); |
| Assert.assertEquals("h2:2", nodeIds.get(1).toString()); |
| Assert.assertEquals("h1:1", nodeIds.get(2).toString()); |
| |
| // Now send update with -1 wait time |
| selector.updateNode(createRMNode("h4", 4, -1, 10)); |
| selector.computeTask.run(); |
| nodeIds = selector.selectNodes(); |
| System.out.println("3-> "+ nodeIds); |
| // No change |
| Assert.assertEquals("h3:3", nodeIds.get(0).toString()); |
| Assert.assertEquals("h2:2", nodeIds.get(1).toString()); |
| Assert.assertEquals("h1:1", nodeIds.get(2).toString()); |
| } |
| |
| @Test |
| public void testQueueLengthSort() { |
| NodeQueueLoadMonitor selector = new NodeQueueLoadMonitor( |
| NodeQueueLoadMonitor.LoadComparator.QUEUE_LENGTH); |
| selector.updateNode(createRMNode("h1", 1, -1, 15)); |
| selector.updateNode(createRMNode("h2", 2, -1, 5)); |
| selector.updateNode(createRMNode("h3", 3, -1, 10)); |
| selector.computeTask.run(); |
| List<NodeId> nodeIds = selector.selectNodes(); |
| System.out.println("1-> " + nodeIds); |
| Assert.assertEquals("h2:2", nodeIds.get(0).toString()); |
| Assert.assertEquals("h3:3", nodeIds.get(1).toString()); |
| Assert.assertEquals("h1:1", nodeIds.get(2).toString()); |
| |
| // Now update node3 |
| selector.updateNode(createRMNode("h3", 3, -1, 2)); |
| selector.computeTask.run(); |
| nodeIds = selector.selectNodes(); |
| System.out.println("2-> "+ nodeIds); |
| Assert.assertEquals("h3:3", nodeIds.get(0).toString()); |
| Assert.assertEquals("h2:2", nodeIds.get(1).toString()); |
| Assert.assertEquals("h1:1", nodeIds.get(2).toString()); |
| |
| // Now send update with -1 wait time but valid length |
| selector.updateNode(createRMNode("h4", 4, -1, 20)); |
| selector.computeTask.run(); |
| nodeIds = selector.selectNodes(); |
| System.out.println("3-> "+ nodeIds); |
| // No change |
| Assert.assertEquals("h3:3", nodeIds.get(0).toString()); |
| Assert.assertEquals("h2:2", nodeIds.get(1).toString()); |
| Assert.assertEquals("h1:1", nodeIds.get(2).toString()); |
| Assert.assertEquals("h4:4", nodeIds.get(3).toString()); |
| } |
| |
| @Test |
| public void testContainerQueuingLimit() { |
| NodeQueueLoadMonitor selector = new NodeQueueLoadMonitor( |
| NodeQueueLoadMonitor.LoadComparator.QUEUE_LENGTH); |
| selector.updateNode(createRMNode("h1", 1, -1, 15)); |
| selector.updateNode(createRMNode("h2", 2, -1, 5)); |
| selector.updateNode(createRMNode("h3", 3, -1, 10)); |
| |
| // Test Mean Calculation |
| selector.initThresholdCalculator(0, 6, 100); |
| QueueLimitCalculator calculator = selector.getThresholdCalculator(); |
| ContainerQueuingLimit containerQueuingLimit = calculator |
| .createContainerQueuingLimit(); |
| Assert.assertEquals(6, containerQueuingLimit.getMaxQueueLength()); |
| Assert.assertEquals(-1, containerQueuingLimit.getMaxQueueWaitTimeInMs()); |
| selector.computeTask.run(); |
| containerQueuingLimit = calculator.createContainerQueuingLimit(); |
| Assert.assertEquals(10, containerQueuingLimit.getMaxQueueLength()); |
| Assert.assertEquals(-1, containerQueuingLimit.getMaxQueueWaitTimeInMs()); |
| |
| // Test Limits do not exceed specified max |
| selector.updateNode(createRMNode("h1", 1, -1, 110)); |
| selector.updateNode(createRMNode("h2", 2, -1, 120)); |
| selector.updateNode(createRMNode("h3", 3, -1, 130)); |
| selector.updateNode(createRMNode("h4", 4, -1, 140)); |
| selector.updateNode(createRMNode("h5", 5, -1, 150)); |
| selector.updateNode(createRMNode("h6", 6, -1, 160)); |
| selector.computeTask.run(); |
| containerQueuingLimit = calculator.createContainerQueuingLimit(); |
| Assert.assertEquals(100, containerQueuingLimit.getMaxQueueLength()); |
| |
| // Test Limits do not go below specified min |
| selector.updateNode(createRMNode("h1", 1, -1, 1)); |
| selector.updateNode(createRMNode("h2", 2, -1, 2)); |
| selector.updateNode(createRMNode("h3", 3, -1, 3)); |
| selector.updateNode(createRMNode("h4", 4, -1, 4)); |
| selector.updateNode(createRMNode("h5", 5, -1, 5)); |
| selector.updateNode(createRMNode("h6", 6, -1, 6)); |
| selector.computeTask.run(); |
| containerQueuingLimit = calculator.createContainerQueuingLimit(); |
| Assert.assertEquals(6, containerQueuingLimit.getMaxQueueLength()); |
| |
| } |
| |
| private RMNode createRMNode(String host, int port, |
| int waitTime, int queueLength) { |
| RMNode node1 = Mockito.mock(RMNode.class); |
| NodeId nID1 = new FakeNodeId(host, port); |
| Mockito.when(node1.getNodeID()).thenReturn(nID1); |
| OpportunisticContainersStatus status1 = |
| Mockito.mock(OpportunisticContainersStatus.class); |
| Mockito.when(status1.getEstimatedQueueWaitTime()) |
| .thenReturn(waitTime); |
| Mockito.when(status1.getWaitQueueLength()) |
| .thenReturn(queueLength); |
| Mockito.when(node1.getOpportunisticContainersStatus()).thenReturn(status1); |
| return node1; |
| } |
| } |