| /** |
| * 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 org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.metrics2.MetricsSource; |
| import org.apache.hadoop.metrics2.MetricsSystem; |
| import org.apache.hadoop.metrics2.impl.MetricsCollectorImpl; |
| import org.apache.hadoop.metrics2.impl.MetricsRecords; |
| import org.apache.hadoop.metrics2.impl.MetricsSystemImpl; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.TestQueueMetrics; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * The test class for {@link FSQueueMetrics}. |
| */ |
| public class TestFSQueueMetrics { |
| private static final Configuration CONF = new Configuration(); |
| |
| private MetricsSystem ms; |
| |
| @Before public void setUp() { |
| ms = new MetricsSystemImpl(); |
| QueueMetrics.clearQueueMetrics(); |
| } |
| |
| /** |
| * Test if the metric scheduling policy is set correctly. |
| */ |
| @Test |
| public void testSchedulingPolicy() { |
| String queueName = "single"; |
| |
| FSQueueMetrics metrics = FSQueueMetrics.forQueue(ms, queueName, null, false, |
| CONF); |
| metrics.setSchedulingPolicy("drf"); |
| checkSchedulingPolicy(queueName, "drf"); |
| |
| // test resetting the scheduling policy |
| metrics.setSchedulingPolicy("fair"); |
| checkSchedulingPolicy(queueName, "fair"); |
| } |
| |
| private void checkSchedulingPolicy(String queueName, String policy) { |
| MetricsSource queueSource = TestQueueMetrics.queueSource(ms, queueName); |
| MetricsCollectorImpl collector = new MetricsCollectorImpl(); |
| queueSource.getMetrics(collector, true); |
| MetricsRecords.assertTag(collector.getRecords().get(0), "SchedulingPolicy", |
| policy); |
| } |
| } |