/** * 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.tez.test; import java.io.IOException; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.yarn.conf.YarnConfiguration; import org.junit.Assert; import org.junit.Test; public class TestMiniTezCluster { @Test public void testOverrideYarnDiskHealthCheck() throws IOException { MiniTezCluster tezMiniCluster = new MiniTezCluster(TestMiniTezCluster.class.getName(), 1, 1, 1); tezMiniCluster.init(new Configuration()); tezMiniCluster.start(); // overrides if not set Assert.assertEquals(99.0, tezMiniCluster.getConfig() .getFloat(YarnConfiguration.NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE, -1), 0.00001); tezMiniCluster.close(); tezMiniCluster = new MiniTezCluster(TestMiniTezCluster.class.getName(), 1, 1, 1); Configuration conf = new Configuration(); conf.setFloat(YarnConfiguration.NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE, 50); tezMiniCluster.init(conf); tezMiniCluster.start(); // respects provided non-default value Assert.assertEquals(50.0, tezMiniCluster.getConfig() .getFloat(YarnConfiguration.NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE, -1), 0.00001); tezMiniCluster.close(); } }