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TEZ-3331: Add operation specific HDFS counters for Tez UI
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115 changes: 115 additions & 0 deletions
115
...nternals/src/test/java/org/apache/tez/runtime/metrics/TestFileSystemStatisticUpdater.java
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| /** | ||
| * 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 | ||
| * <p/> | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * <p/> | ||
| * 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. | ||
| */ | ||
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| package org.apache.tez.runtime.metrics; | ||
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| import java.io.IOException; | ||
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| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.fs.FSDataOutputStream; | ||
| import org.apache.hadoop.fs.FileSystem; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.hadoop.hdfs.MiniDFSCluster; | ||
| import org.apache.tez.common.counters.FileSystemCounter; | ||
| import org.apache.tez.common.counters.TezCounter; | ||
| import org.apache.tez.common.counters.TezCounters; | ||
| import org.junit.AfterClass; | ||
| import org.junit.Assert; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.Test; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| public class TestFileSystemStatisticUpdater { | ||
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| private static final Logger LOG = LoggerFactory.getLogger( | ||
| TestFileSystemStatisticUpdater.class); | ||
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| private static MiniDFSCluster dfsCluster; | ||
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| private static Configuration conf = new Configuration(); | ||
| private static FileSystem remoteFs; | ||
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| private static final String TEST_ROOT_DIR = "target" + Path.SEPARATOR + | ||
| TestFileSystemStatisticUpdater.class.getName() + "-tmpDir"; | ||
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| @BeforeClass | ||
| public static void setup() throws IOException { | ||
| try { | ||
| conf.set(MiniDFSCluster.HDFS_MINIDFS_BASEDIR, TEST_ROOT_DIR); | ||
| dfsCluster = new MiniDFSCluster.Builder(conf).numDataNodes(2).format(true).racks(null) | ||
| .build(); | ||
| remoteFs = dfsCluster.getFileSystem(); | ||
| } catch (IOException io) { | ||
| throw new RuntimeException("problem starting mini dfs cluster", io); | ||
| } | ||
| } | ||
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| @AfterClass | ||
| public static void tearDown() { | ||
| if (dfsCluster != null) { | ||
| dfsCluster.shutdown(); | ||
| dfsCluster = null; | ||
| } | ||
| } | ||
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| @Test | ||
| public void basicTest() throws IOException { | ||
| TezCounters counters = new TezCounters(); | ||
| TaskCounterUpdater updater = new TaskCounterUpdater(counters, conf, "pid"); | ||
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| remoteFs.mkdirs(new Path("/tmp/foo/")); | ||
| FSDataOutputStream out = remoteFs.create(new Path("/tmp/foo/abc.txt")); | ||
| out.writeBytes("xyz"); | ||
| out.close(); | ||
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| updater.updateCounters(); | ||
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| LOG.info("Counters: " + counters); | ||
| TezCounter mkdirCounter = counters.findCounter(remoteFs.getScheme(), | ||
| FileSystemCounter.OP_MKDIRS); | ||
| TezCounter createCounter = counters.findCounter(remoteFs.getScheme(), | ||
| FileSystemCounter.OP_CREATE); | ||
| Assert.assertNotNull(mkdirCounter); | ||
| Assert.assertNotNull(createCounter); | ||
| Assert.assertEquals(1, mkdirCounter.getValue()); | ||
| Assert.assertEquals(1, createCounter.getValue()); | ||
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| FSDataOutputStream out1 = remoteFs.create(new Path("/tmp/foo/abc1.txt")); | ||
| out1.writeBytes("xyz"); | ||
| out1.close(); | ||
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| long oldCreateVal = createCounter.getValue(); | ||
| updater.updateCounters(); | ||
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| LOG.info("Counters: " + counters); | ||
| Assert.assertTrue("Counter not updated, old=" + oldCreateVal | ||
| + ", new=" + createCounter.getValue(), createCounter.getValue() > oldCreateVal); | ||
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| oldCreateVal = createCounter.getValue(); | ||
| // Ensure all numbers are reset | ||
| remoteFs.clearStatistics(); | ||
| updater.updateCounters(); | ||
| LOG.info("Counters: " + counters); | ||
| Assert.assertEquals(oldCreateVal, createCounter.getValue()); | ||
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| } | ||
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| } |
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