| /* |
| * 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.mapred; |
| |
| import org.apache.hadoop.metrics2.MetricsRecordBuilder; |
| import org.apache.hadoop.metrics2.MetricsSource; |
| import org.apache.hadoop.metrics2.impl.MetricsSystemImpl; |
| import org.apache.hadoop.metrics2.MetricsSystem; |
| import static org.apache.hadoop.test.MetricsAsserts.*; |
| |
| import org.jboss.netty.channel.ChannelFuture; |
| |
| import org.junit.Test; |
| import static org.junit.Assert.*; |
| import static org.apache.hadoop.test.MockitoMaker.*; |
| |
| public class TestShuffleHandler { |
| static final long MiB = 1024 * 1024; |
| |
| @Test public void testSerializeMeta() throws Exception { |
| assertEquals(1, ShuffleHandler.deserializeMetaData( |
| ShuffleHandler.serializeMetaData(1))); |
| assertEquals(-1, ShuffleHandler.deserializeMetaData( |
| ShuffleHandler.serializeMetaData(-1))); |
| assertEquals(8080, ShuffleHandler.deserializeMetaData( |
| ShuffleHandler.serializeMetaData(8080))); |
| } |
| |
| @Test public void testShuffleMetrics() throws Exception { |
| MetricsSystem ms = new MetricsSystemImpl(); |
| ShuffleHandler sh = new ShuffleHandler(ms); |
| ChannelFuture cf = make(stub(ChannelFuture.class). |
| returning(true, false).from.isSuccess()); |
| |
| sh.metrics.shuffleConnections.incr(); |
| sh.metrics.shuffleOutputBytes.incr(1*MiB); |
| sh.metrics.shuffleConnections.incr(); |
| sh.metrics.shuffleOutputBytes.incr(2*MiB); |
| |
| checkShuffleMetrics(ms, 3*MiB, 0 , 0, 2); |
| |
| sh.metrics.operationComplete(cf); |
| sh.metrics.operationComplete(cf); |
| |
| checkShuffleMetrics(ms, 3*MiB, 1, 1, 0); |
| } |
| |
| static void checkShuffleMetrics(MetricsSystem ms, long bytes, int failed, |
| int succeeded, int connections) { |
| MetricsSource source = ms.getSource("ShuffleMetrics"); |
| MetricsRecordBuilder rb = getMetrics(source); |
| assertCounter("ShuffleOutputBytes", bytes, rb); |
| assertCounter("ShuffleOutputsFailed", failed, rb); |
| assertCounter("ShuffleOutputsOK", succeeded, rb); |
| assertGauge("ShuffleConnections", connections, rb); |
| } |
| } |