Java tutorial
/** * 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.mapreduce.hadoop; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import static org.junit.Assert.assertNull; import org.apache.hadoop.mapred.JobConf; import org.apache.tez.runtime.library.api.TezRuntimeConfiguration; import org.apache.tez.runtime.library.common.Constants; import org.junit.Test; public class TestDeprecatedKeys { @Test(timeout = 5000) public void verifyReduceKeyTranslation() { JobConf jobConf = new JobConf(); jobConf.setFloat(MRJobConfig.SHUFFLE_INPUT_BUFFER_PERCENT, 0.4f); jobConf.setLong(MRJobConfig.REDUCE_MEMORY_TOTAL_BYTES, 20000l); jobConf.setInt(MRJobConfig.IO_SORT_FACTOR, 2000); jobConf.setFloat(MRJobConfig.SHUFFLE_MEMORY_LIMIT_PERCENT, 0.55f); jobConf.setFloat(MRJobConfig.REDUCE_MEMTOMEM_THRESHOLD, 0.60f); jobConf.setFloat(MRJobConfig.SHUFFLE_MERGE_PERCENT, 0.22f); jobConf.setBoolean(MRJobConfig.REDUCE_MEMTOMEM_ENABLED, true); jobConf.setFloat(MRJobConfig.REDUCE_INPUT_BUFFER_PERCENT, 0.33f); MRHelpers.translateMRConfToTez(jobConf); assertEquals(0.4f, jobConf.getFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_FETCH_BUFFER_PERCENT, 0f), 0.01f); assertEquals(20000l, jobConf.getLong(Constants.TEZ_RUNTIME_TASK_MEMORY, 0)); assertEquals(2000, jobConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_IO_SORT_FACTOR, 0)); assertEquals(0.55f, jobConf.getFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MEMORY_LIMIT_PERCENT, 0), 0.01f); assertEquals(0.60f, jobConf.getFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MEMTOMEM_SEGMENTS, 0), 0.01f); assertEquals(0.22f, jobConf.getFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MERGE_PERCENT, 0), 0.01f); assertEquals(true, jobConf.getBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_ENABLE_MEMTOMEM, false)); assertEquals(0.33f, jobConf.getFloat(TezRuntimeConfiguration.TEZ_RUNTIME_INPUT_POST_MERGE_BUFFER_PERCENT, 0), 0.01f); } @Test(timeout = 5000) /** * Set of keys that can be overriden at tez runtime */ public void verifyTezOverridenKeys() { JobConf jobConf = new JobConf(); jobConf.setInt(MRJobConfig.IO_SORT_FACTOR, 2000); jobConf.setInt(MRJobConfig.IO_SORT_MB, 100); jobConf.setInt(MRJobConfig.COUNTERS_MAX_KEY, 100); jobConf.setInt(TezRuntimeConfiguration.TEZ_RUNTIME_IO_SORT_FACTOR, 1000); jobConf.setInt(TezRuntimeConfiguration.TEZ_RUNTIME_IO_SORT_MB, 200); jobConf.setBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD, true); jobConf.setInt(TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD_BYTES, 20); jobConf.setFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SORT_SPILL_PERCENT, 0.2f); jobConf.setInt(TezRuntimeConfiguration.TEZ_RUNTIME_INDEX_CACHE_MEMORY_LIMIT_BYTES, 10); jobConf.setInt(TezRuntimeConfiguration.TEZ_RUNTIME_COMBINE_MIN_SPILLS, 20); jobConf.setInt(Constants.TEZ_RUNTIME_TASK_MEMORY, 10); jobConf.setInt(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_PARALLEL_COPIES, 10); jobConf.setInt(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_FETCH_FAILURES_LIMIT, 10); jobConf.setBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_NOTIFY_READERROR, true); jobConf.setInt(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_CONNECT_TIMEOUT, 10); jobConf.setInt(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_READ_TIMEOUT, 10); jobConf.setBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_ENABLE_SSL, true); jobConf.setFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_FETCH_BUFFER_PERCENT, 10.0f); jobConf.setFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MEMORY_LIMIT_PERCENT, 10.0f); jobConf.setFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MERGE_PERCENT, 10.0f); jobConf.setInt(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MEMTOMEM_SEGMENTS, 10); jobConf.setBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_ENABLE_MEMTOMEM, true); jobConf.setFloat(TezRuntimeConfiguration.TEZ_RUNTIME_INPUT_POST_MERGE_BUFFER_PERCENT, 10.0f); jobConf.set(TezRuntimeConfiguration.TEZ_RUNTIME_INTERNAL_SORTER_CLASS, "DefaultSorter"); jobConf.set(TezRuntimeConfiguration.TEZ_RUNTIME_GROUP_COMPARATOR_CLASS, "groupComparator"); jobConf.set(TezRuntimeConfiguration.TEZ_RUNTIME_KEY_SECONDARY_COMPARATOR_CLASS, "SecondaryComparator"); jobConf.setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, false); jobConf.setBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_COMPRESS, true); MRHelpers.translateMRConfToTez(jobConf); assertEquals(1000, jobConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_IO_SORT_FACTOR, 0)); assertEquals(200, jobConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_IO_SORT_MB, 100)); assertEquals(true, jobConf.getBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD, false)); assertEquals(20, jobConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_IFILE_READAHEAD_BYTES, 0)); assertEquals(10, jobConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_INDEX_CACHE_MEMORY_LIMIT_BYTES, 0)); assertEquals(20, jobConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_COMBINE_MIN_SPILLS, 0)); assertEquals(10, jobConf.getInt(Constants.TEZ_RUNTIME_TASK_MEMORY, 0)); assertEquals(10, jobConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_PARALLEL_COPIES, 0)); assertEquals(10, jobConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_FETCH_FAILURES_LIMIT, 0)); assertEquals(true, jobConf.getBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_NOTIFY_READERROR, false)); assertEquals(10, jobConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_CONNECT_TIMEOUT, 0)); assertEquals(10, jobConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_READ_TIMEOUT, 0)); assertEquals(true, jobConf.getBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_ENABLE_SSL, false)); assertEquals(10.0f, jobConf.getFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_FETCH_BUFFER_PERCENT, 0.0f), 0.0f); assertEquals(10.0f, jobConf.getFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MEMORY_LIMIT_PERCENT, 0.0f), 0.0f); assertEquals(10.0f, jobConf.getFloat(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MERGE_PERCENT, 0.0f), 0.0f); assertEquals(10, jobConf.getInt(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_MEMTOMEM_SEGMENTS, 0)); assertEquals(true, jobConf.getBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_SHUFFLE_ENABLE_MEMTOMEM, false)); assertEquals(10.0f, jobConf.getFloat(TezRuntimeConfiguration.TEZ_RUNTIME_INPUT_POST_MERGE_BUFFER_PERCENT, 0.0f), 0.0f); assertEquals("DefaultSorter", jobConf.get(TezRuntimeConfiguration.TEZ_RUNTIME_INTERNAL_SORTER_CLASS, "")); assertEquals("groupComparator", jobConf.get(TezRuntimeConfiguration.TEZ_RUNTIME_GROUP_COMPARATOR_CLASS, "")); assertEquals("SecondaryComparator", jobConf.get(TezRuntimeConfiguration.TEZ_RUNTIME_KEY_SECONDARY_COMPARATOR_CLASS, "")); assertEquals("DefaultSorter", jobConf.get(TezRuntimeConfiguration.TEZ_RUNTIME_INTERNAL_SORTER_CLASS, "")); assertTrue(jobConf.getBoolean(TezRuntimeConfiguration.TEZ_RUNTIME_COMPRESS, false)); assertNull(jobConf.get(MRConfig.MAPRED_IFILE_READAHEAD)); assertNull(jobConf.get(MRConfig.MAPRED_IFILE_READAHEAD_BYTES)); assertNull(jobConf.get(MRJobConfig.RECORDS_BEFORE_PROGRESS)); assertNull(jobConf.get(MRJobConfig.IO_SORT_FACTOR)); assertNull(jobConf.get(MRJobConfig.IO_SORT_MB)); assertNull(jobConf.get(MRJobConfig.SHUFFLE_READ_TIMEOUT)); assertNull(jobConf.get(MRJobConfig.INDEX_CACHE_MEMORY_LIMIT)); assertNull(jobConf.get(MRJobConfig.MAP_COMBINE_MIN_SPILLS)); assertNull(jobConf.get(MRJobConfig.REDUCE_MEMORY_TOTAL_BYTES)); assertNull(jobConf.get(MRJobConfig.SHUFFLE_PARALLEL_COPIES)); assertNull(jobConf.get(MRJobConfig.SHUFFLE_FETCH_FAILURES)); assertNull(jobConf.get(MRJobConfig.SHUFFLE_NOTIFY_READERROR)); assertNull(jobConf.get(MRJobConfig.SHUFFLE_CONNECT_TIMEOUT)); assertNull(jobConf.get(MRJobConfig.SHUFFLE_READ_TIMEOUT)); assertNull(jobConf.get(MRConfig.SHUFFLE_SSL_ENABLED_KEY)); assertNull(jobConf.get(MRJobConfig.SHUFFLE_INPUT_BUFFER_PERCENT)); assertNull(jobConf.get(MRJobConfig.SHUFFLE_MEMORY_LIMIT_PERCENT)); assertNull(jobConf.get(MRJobConfig.REDUCE_MEMTOMEM_THRESHOLD)); assertNull(jobConf.get(MRJobConfig.REDUCE_MEMTOMEM_ENABLED)); assertNull(jobConf.get(MRJobConfig.REDUCE_INPUT_BUFFER_PERCENT)); assertNull(jobConf.get(MRJobConfig.GROUP_COMPARATOR_CLASS)); assertNull(jobConf.get(MRJobConfig.GROUP_COMPARATOR_CLASS)); assertNull(jobConf.get("map.sort.class")); } }