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Posted to commits@hbase.apache.org by ap...@apache.org on 2017/08/26 01:39:27 UTC
[27/41] hbase git commit: HBASE-18640 Move mapreduce out of
hbase-server into separate module.
http://git-wip-us.apache.org/repos/asf/hbase/blob/664b6be0/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHFileOutputFormat2.java
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diff --git a/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHFileOutputFormat2.java b/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHFileOutputFormat2.java
new file mode 100644
index 0000000..c6a8761
--- /dev/null
+++ b/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHFileOutputFormat2.java
@@ -0,0 +1,1496 @@
+/**
+ *
+ * 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.hbase.mapreduce;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNotSame;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Random;
+import java.util.Set;
+import java.util.concurrent.Callable;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.LocatedFileStatus;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.RemoteIterator;
+import org.apache.hadoop.hbase.ArrayBackedTag;
+import org.apache.hadoop.hbase.CategoryBasedTimeout;
+import org.apache.hadoop.hbase.Cell;
+import org.apache.hadoop.hbase.CellUtil;
+import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
+import org.apache.hadoop.hbase.HBaseConfiguration;
+import org.apache.hadoop.hbase.HBaseTestingUtility;
+import org.apache.hadoop.hbase.HColumnDescriptor;
+import org.apache.hadoop.hbase.HConstants;
+import org.apache.hadoop.hbase.HDFSBlocksDistribution;
+import org.apache.hadoop.hbase.HTableDescriptor;
+import org.apache.hadoop.hbase.HadoopShims;
+import org.apache.hadoop.hbase.KeyValue;
+import org.apache.hadoop.hbase.PerformanceEvaluation;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.Tag;
+import org.apache.hadoop.hbase.TagType;
+import org.apache.hadoop.hbase.TagUtil;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
+import org.apache.hadoop.hbase.client.Put;
+import org.apache.hadoop.hbase.client.RegionLocator;
+import org.apache.hadoop.hbase.client.Result;
+import org.apache.hadoop.hbase.client.ResultScanner;
+import org.apache.hadoop.hbase.client.Scan;
+import org.apache.hadoop.hbase.client.Table;
+import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
+import org.apache.hadoop.hbase.io.compress.Compression;
+import org.apache.hadoop.hbase.io.compress.Compression.Algorithm;
+import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;
+import org.apache.hadoop.hbase.io.hfile.CacheConfig;
+import org.apache.hadoop.hbase.io.hfile.HFile;
+import org.apache.hadoop.hbase.io.hfile.HFile.Reader;
+import org.apache.hadoop.hbase.io.hfile.HFileScanner;
+import org.apache.hadoop.hbase.regionserver.BloomType;
+import org.apache.hadoop.hbase.regionserver.HRegion;
+import org.apache.hadoop.hbase.regionserver.Store;
+import org.apache.hadoop.hbase.regionserver.StoreFile;
+import org.apache.hadoop.hbase.regionserver.TestHRegionFileSystem;
+import org.apache.hadoop.hbase.regionserver.TimeRangeTracker;
+import org.apache.hadoop.hbase.testclassification.LargeTests;
+import org.apache.hadoop.hbase.testclassification.VerySlowMapReduceTests;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.hbase.util.FSUtils;
+import org.apache.hadoop.hbase.util.ReflectionUtils;
+import org.apache.hadoop.hbase.util.Writables;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
+import org.apache.hadoop.hdfs.protocol.BlockStoragePolicy;
+import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
+import org.apache.hadoop.hdfs.server.blockmanagement.BlockStoragePolicySuite;
+import org.apache.hadoop.io.NullWritable;
+import org.apache.hadoop.mapreduce.Job;
+import org.apache.hadoop.mapreduce.Mapper;
+import org.apache.hadoop.mapreduce.RecordWriter;
+import org.apache.hadoop.mapreduce.TaskAttemptContext;
+import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
+import org.junit.Ignore;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.rules.TestRule;
+import org.mockito.Mockito;
+
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+/**
+ * Simple test for {@link HFileOutputFormat2}.
+ * Sets up and runs a mapreduce job that writes hfile output.
+ * Creates a few inner classes to implement splits and an inputformat that
+ * emits keys and values like those of {@link PerformanceEvaluation}.
+ */
+@Category({VerySlowMapReduceTests.class, LargeTests.class})
+public class TestHFileOutputFormat2 {
+ @Rule public final TestRule timeout = CategoryBasedTimeout.builder().
+ withTimeout(this.getClass()).withLookingForStuckThread(true).build();
+ private final static int ROWSPERSPLIT = 1024;
+
+ public static final byte[] FAMILY_NAME = TestHRegionFileSystem.FAMILY_NAME;
+ private static final byte[][] FAMILIES = {
+ Bytes.add(FAMILY_NAME, Bytes.toBytes("-A")), Bytes.add(FAMILY_NAME, Bytes.toBytes("-B"))};
+ private static final TableName[] TABLE_NAMES = Stream.of("TestTable", "TestTable2",
+ "TestTable3").map(TableName::valueOf).toArray(TableName[]::new);
+
+ private HBaseTestingUtility util = new HBaseTestingUtility();
+
+ private static final Log LOG = LogFactory.getLog(TestHFileOutputFormat2.class);
+
+ /**
+ * Simple mapper that makes KeyValue output.
+ */
+ static class RandomKVGeneratingMapper
+ extends Mapper<NullWritable, NullWritable,
+ ImmutableBytesWritable, Cell> {
+
+ private int keyLength;
+ private static final int KEYLEN_DEFAULT=10;
+ private static final String KEYLEN_CONF="randomkv.key.length";
+
+ private int valLength;
+ private static final int VALLEN_DEFAULT=10;
+ private static final String VALLEN_CONF="randomkv.val.length";
+ private static final byte [] QUALIFIER = Bytes.toBytes("data");
+ private boolean multiTableMapper = false;
+ private TableName[] tables = null;
+
+
+ @Override
+ protected void setup(Context context) throws IOException,
+ InterruptedException {
+ super.setup(context);
+
+ Configuration conf = context.getConfiguration();
+ keyLength = conf.getInt(KEYLEN_CONF, KEYLEN_DEFAULT);
+ valLength = conf.getInt(VALLEN_CONF, VALLEN_DEFAULT);
+ multiTableMapper = conf.getBoolean(HFileOutputFormat2.MULTI_TABLE_HFILEOUTPUTFORMAT_CONF_KEY,
+ false);
+ if (multiTableMapper) {
+ tables = TABLE_NAMES;
+ } else {
+ tables = new TableName[]{TABLE_NAMES[0]};
+ }
+ }
+
+ @Override
+ protected void map(
+ NullWritable n1, NullWritable n2,
+ Mapper<NullWritable, NullWritable,
+ ImmutableBytesWritable,Cell>.Context context)
+ throws java.io.IOException ,InterruptedException
+ {
+
+ byte keyBytes[] = new byte[keyLength];
+ byte valBytes[] = new byte[valLength];
+
+ int taskId = context.getTaskAttemptID().getTaskID().getId();
+ assert taskId < Byte.MAX_VALUE : "Unit tests dont support > 127 tasks!";
+ Random random = new Random();
+ byte[] key;
+ for (int j = 0; j < tables.length; ++j) {
+ for (int i = 0; i < ROWSPERSPLIT; i++) {
+ random.nextBytes(keyBytes);
+ // Ensure that unique tasks generate unique keys
+ keyBytes[keyLength - 1] = (byte) (taskId & 0xFF);
+ random.nextBytes(valBytes);
+ key = keyBytes;
+ if (multiTableMapper) {
+ key = MultiTableHFileOutputFormat.createCompositeKey(tables[j].getName(), keyBytes);
+ }
+
+ for (byte[] family : TestHFileOutputFormat2.FAMILIES) {
+ Cell kv = new KeyValue(keyBytes, family, QUALIFIER, valBytes);
+ context.write(new ImmutableBytesWritable(key), kv);
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Simple mapper that makes Put output.
+ */
+ static class RandomPutGeneratingMapper
+ extends Mapper<NullWritable, NullWritable,
+ ImmutableBytesWritable, Put> {
+
+ private int keyLength;
+ private static final int KEYLEN_DEFAULT = 10;
+ private static final String KEYLEN_CONF = "randomkv.key.length";
+
+ private int valLength;
+ private static final int VALLEN_DEFAULT = 10;
+ private static final String VALLEN_CONF = "randomkv.val.length";
+ private static final byte[] QUALIFIER = Bytes.toBytes("data");
+ private boolean multiTableMapper = false;
+ private TableName[] tables = null;
+
+ @Override
+ protected void setup(Context context) throws IOException,
+ InterruptedException {
+ super.setup(context);
+
+ Configuration conf = context.getConfiguration();
+ keyLength = conf.getInt(KEYLEN_CONF, KEYLEN_DEFAULT);
+ valLength = conf.getInt(VALLEN_CONF, VALLEN_DEFAULT);
+ multiTableMapper = conf.getBoolean(HFileOutputFormat2.MULTI_TABLE_HFILEOUTPUTFORMAT_CONF_KEY,
+ false);
+ if (multiTableMapper) {
+ tables = TABLE_NAMES;
+ } else {
+ tables = new TableName[]{TABLE_NAMES[0]};
+ }
+ }
+
+ @Override
+ protected void map(
+ NullWritable n1, NullWritable n2,
+ Mapper<NullWritable, NullWritable,
+ ImmutableBytesWritable, Put>.Context context)
+ throws java.io.IOException, InterruptedException {
+
+ byte keyBytes[] = new byte[keyLength];
+ byte valBytes[] = new byte[valLength];
+
+ int taskId = context.getTaskAttemptID().getTaskID().getId();
+ assert taskId < Byte.MAX_VALUE : "Unit tests dont support > 127 tasks!";
+
+ Random random = new Random();
+ byte[] key;
+ for (int j = 0; j < tables.length; ++j) {
+ for (int i = 0; i < ROWSPERSPLIT; i++) {
+ random.nextBytes(keyBytes);
+ // Ensure that unique tasks generate unique keys
+ keyBytes[keyLength - 1] = (byte) (taskId & 0xFF);
+ random.nextBytes(valBytes);
+ key = keyBytes;
+ if (multiTableMapper) {
+ key = MultiTableHFileOutputFormat.createCompositeKey(tables[j].getName(), keyBytes);
+ }
+
+ for (byte[] family : TestHFileOutputFormat2.FAMILIES) {
+ Put p = new Put(keyBytes);
+ p.addColumn(family, QUALIFIER, valBytes);
+ // set TTL to very low so that the scan does not return any value
+ p.setTTL(1l);
+ context.write(new ImmutableBytesWritable(key), p);
+ }
+ }
+ }
+ }
+ }
+
+ private void setupRandomGeneratorMapper(Job job, boolean putSortReducer) {
+ if (putSortReducer) {
+ job.setInputFormatClass(NMapInputFormat.class);
+ job.setMapperClass(RandomPutGeneratingMapper.class);
+ job.setMapOutputKeyClass(ImmutableBytesWritable.class);
+ job.setMapOutputValueClass(Put.class);
+ } else {
+ job.setInputFormatClass(NMapInputFormat.class);
+ job.setMapperClass(RandomKVGeneratingMapper.class);
+ job.setMapOutputKeyClass(ImmutableBytesWritable.class);
+ job.setMapOutputValueClass(KeyValue.class);
+ }
+ }
+
+ /**
+ * Test that {@link HFileOutputFormat2} RecordWriter amends timestamps if
+ * passed a keyvalue whose timestamp is {@link HConstants#LATEST_TIMESTAMP}.
+ * @see <a href="https://issues.apache.org/jira/browse/HBASE-2615">HBASE-2615</a>
+ */
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void test_LATEST_TIMESTAMP_isReplaced()
+ throws Exception {
+ Configuration conf = new Configuration(this.util.getConfiguration());
+ RecordWriter<ImmutableBytesWritable, Cell> writer = null;
+ TaskAttemptContext context = null;
+ Path dir =
+ util.getDataTestDir("test_LATEST_TIMESTAMP_isReplaced");
+ try {
+ Job job = new Job(conf);
+ FileOutputFormat.setOutputPath(job, dir);
+ context = createTestTaskAttemptContext(job);
+ HFileOutputFormat2 hof = new HFileOutputFormat2();
+ writer = hof.getRecordWriter(context);
+ final byte [] b = Bytes.toBytes("b");
+
+ // Test 1. Pass a KV that has a ts of LATEST_TIMESTAMP. It should be
+ // changed by call to write. Check all in kv is same but ts.
+ KeyValue kv = new KeyValue(b, b, b);
+ KeyValue original = kv.clone();
+ writer.write(new ImmutableBytesWritable(), kv);
+ assertFalse(original.equals(kv));
+ assertTrue(Bytes.equals(CellUtil.cloneRow(original), CellUtil.cloneRow(kv)));
+ assertTrue(Bytes.equals(CellUtil.cloneFamily(original), CellUtil.cloneFamily(kv)));
+ assertTrue(Bytes.equals(CellUtil.cloneQualifier(original), CellUtil.cloneQualifier(kv)));
+ assertNotSame(original.getTimestamp(), kv.getTimestamp());
+ assertNotSame(HConstants.LATEST_TIMESTAMP, kv.getTimestamp());
+
+ // Test 2. Now test passing a kv that has explicit ts. It should not be
+ // changed by call to record write.
+ kv = new KeyValue(b, b, b, kv.getTimestamp() - 1, b);
+ original = kv.clone();
+ writer.write(new ImmutableBytesWritable(), kv);
+ assertTrue(original.equals(kv));
+ } finally {
+ if (writer != null && context != null) writer.close(context);
+ dir.getFileSystem(conf).delete(dir, true);
+ }
+ }
+
+ private TaskAttemptContext createTestTaskAttemptContext(final Job job)
+ throws Exception {
+ HadoopShims hadoop = CompatibilitySingletonFactory.getInstance(HadoopShims.class);
+ TaskAttemptContext context = hadoop.createTestTaskAttemptContext(
+ job, "attempt_201402131733_0001_m_000000_0");
+ return context;
+ }
+
+ /*
+ * Test that {@link HFileOutputFormat2} creates an HFile with TIMERANGE
+ * metadata used by time-restricted scans.
+ */
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void test_TIMERANGE() throws Exception {
+ Configuration conf = new Configuration(this.util.getConfiguration());
+ RecordWriter<ImmutableBytesWritable, Cell> writer = null;
+ TaskAttemptContext context = null;
+ Path dir =
+ util.getDataTestDir("test_TIMERANGE_present");
+ LOG.info("Timerange dir writing to dir: "+ dir);
+ try {
+ // build a record writer using HFileOutputFormat2
+ Job job = new Job(conf);
+ FileOutputFormat.setOutputPath(job, dir);
+ context = createTestTaskAttemptContext(job);
+ HFileOutputFormat2 hof = new HFileOutputFormat2();
+ writer = hof.getRecordWriter(context);
+
+ // Pass two key values with explicit times stamps
+ final byte [] b = Bytes.toBytes("b");
+
+ // value 1 with timestamp 2000
+ KeyValue kv = new KeyValue(b, b, b, 2000, b);
+ KeyValue original = kv.clone();
+ writer.write(new ImmutableBytesWritable(), kv);
+ assertEquals(original,kv);
+
+ // value 2 with timestamp 1000
+ kv = new KeyValue(b, b, b, 1000, b);
+ original = kv.clone();
+ writer.write(new ImmutableBytesWritable(), kv);
+ assertEquals(original, kv);
+
+ // verify that the file has the proper FileInfo.
+ writer.close(context);
+
+ // the generated file lives 1 directory down from the attempt directory
+ // and is the only file, e.g.
+ // _attempt__0000_r_000000_0/b/1979617994050536795
+ FileSystem fs = FileSystem.get(conf);
+ Path attemptDirectory = hof.getDefaultWorkFile(context, "").getParent();
+ FileStatus[] sub1 = fs.listStatus(attemptDirectory);
+ FileStatus[] file = fs.listStatus(sub1[0].getPath());
+
+ // open as HFile Reader and pull out TIMERANGE FileInfo.
+ HFile.Reader rd =
+ HFile.createReader(fs, file[0].getPath(), new CacheConfig(conf), true, conf);
+ Map<byte[],byte[]> finfo = rd.loadFileInfo();
+ byte[] range = finfo.get("TIMERANGE".getBytes("UTF-8"));
+ assertNotNull(range);
+
+ // unmarshall and check values.
+ TimeRangeTracker timeRangeTracker = new TimeRangeTracker();
+ Writables.copyWritable(range, timeRangeTracker);
+ LOG.info(timeRangeTracker.getMin() +
+ "...." + timeRangeTracker.getMax());
+ assertEquals(1000, timeRangeTracker.getMin());
+ assertEquals(2000, timeRangeTracker.getMax());
+ rd.close();
+ } finally {
+ if (writer != null && context != null) writer.close(context);
+ dir.getFileSystem(conf).delete(dir, true);
+ }
+ }
+
+ /**
+ * Run small MR job.
+ */
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void testWritingPEData() throws Exception {
+ Configuration conf = util.getConfiguration();
+ Path testDir = util.getDataTestDirOnTestFS("testWritingPEData");
+ FileSystem fs = testDir.getFileSystem(conf);
+
+ // Set down this value or we OOME in eclipse.
+ conf.setInt("mapreduce.task.io.sort.mb", 20);
+ // Write a few files.
+ conf.setLong(HConstants.HREGION_MAX_FILESIZE, 64 * 1024);
+
+ Job job = new Job(conf, "testWritingPEData");
+ setupRandomGeneratorMapper(job, false);
+ // This partitioner doesn't work well for number keys but using it anyways
+ // just to demonstrate how to configure it.
+ byte[] startKey = new byte[RandomKVGeneratingMapper.KEYLEN_DEFAULT];
+ byte[] endKey = new byte[RandomKVGeneratingMapper.KEYLEN_DEFAULT];
+
+ Arrays.fill(startKey, (byte)0);
+ Arrays.fill(endKey, (byte)0xff);
+
+ job.setPartitionerClass(SimpleTotalOrderPartitioner.class);
+ // Set start and end rows for partitioner.
+ SimpleTotalOrderPartitioner.setStartKey(job.getConfiguration(), startKey);
+ SimpleTotalOrderPartitioner.setEndKey(job.getConfiguration(), endKey);
+ job.setReducerClass(KeyValueSortReducer.class);
+ job.setOutputFormatClass(HFileOutputFormat2.class);
+ job.setNumReduceTasks(4);
+ job.getConfiguration().setStrings("io.serializations", conf.get("io.serializations"),
+ MutationSerialization.class.getName(), ResultSerialization.class.getName(),
+ KeyValueSerialization.class.getName());
+
+ FileOutputFormat.setOutputPath(job, testDir);
+ assertTrue(job.waitForCompletion(false));
+ FileStatus [] files = fs.listStatus(testDir);
+ assertTrue(files.length > 0);
+ }
+
+ /**
+ * Test that {@link HFileOutputFormat2} RecordWriter writes tags such as ttl into
+ * hfile.
+ */
+ @Test
+ public void test_WritingTagData()
+ throws Exception {
+ Configuration conf = new Configuration(this.util.getConfiguration());
+ final String HFILE_FORMAT_VERSION_CONF_KEY = "hfile.format.version";
+ conf.setInt(HFILE_FORMAT_VERSION_CONF_KEY, HFile.MIN_FORMAT_VERSION_WITH_TAGS);
+ RecordWriter<ImmutableBytesWritable, Cell> writer = null;
+ TaskAttemptContext context = null;
+ Path dir =
+ util.getDataTestDir("WritingTagData");
+ try {
+ conf.set(HFileOutputFormat2.OUTPUT_TABLE_NAME_CONF_KEY, TABLE_NAMES[0].getNameAsString());
+ // turn locality off to eliminate getRegionLocation fail-and-retry time when writing kvs
+ conf.setBoolean(HFileOutputFormat2.LOCALITY_SENSITIVE_CONF_KEY, false);
+ Job job = new Job(conf);
+ FileOutputFormat.setOutputPath(job, dir);
+ context = createTestTaskAttemptContext(job);
+ HFileOutputFormat2 hof = new HFileOutputFormat2();
+ writer = hof.getRecordWriter(context);
+ final byte [] b = Bytes.toBytes("b");
+
+ List< Tag > tags = new ArrayList<>();
+ tags.add(new ArrayBackedTag(TagType.TTL_TAG_TYPE, Bytes.toBytes(978670)));
+ KeyValue kv = new KeyValue(b, b, b, HConstants.LATEST_TIMESTAMP, b, tags);
+ writer.write(new ImmutableBytesWritable(), kv);
+ writer.close(context);
+ writer = null;
+ FileSystem fs = dir.getFileSystem(conf);
+ RemoteIterator<LocatedFileStatus> iterator = fs.listFiles(dir, true);
+ while(iterator.hasNext()) {
+ LocatedFileStatus keyFileStatus = iterator.next();
+ HFile.Reader reader =
+ HFile.createReader(fs, keyFileStatus.getPath(), new CacheConfig(conf), true, conf);
+ HFileScanner scanner = reader.getScanner(false, false, false);
+ scanner.seekTo();
+ Cell cell = scanner.getCell();
+ List<Tag> tagsFromCell = TagUtil.asList(cell.getTagsArray(), cell.getTagsOffset(),
+ cell.getTagsLength());
+ assertTrue(tagsFromCell.size() > 0);
+ for (Tag tag : tagsFromCell) {
+ assertTrue(tag.getType() == TagType.TTL_TAG_TYPE);
+ }
+ }
+ } finally {
+ if (writer != null && context != null) writer.close(context);
+ dir.getFileSystem(conf).delete(dir, true);
+ }
+ }
+
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void testJobConfiguration() throws Exception {
+ Configuration conf = new Configuration(this.util.getConfiguration());
+ conf.set(HConstants.TEMPORARY_FS_DIRECTORY_KEY, util.getDataTestDir("testJobConfiguration")
+ .toString());
+ Job job = new Job(conf);
+ job.setWorkingDirectory(util.getDataTestDir("testJobConfiguration"));
+ Table table = Mockito.mock(Table.class);
+ RegionLocator regionLocator = Mockito.mock(RegionLocator.class);
+ setupMockStartKeys(regionLocator);
+ setupMockTableName(regionLocator);
+ HFileOutputFormat2.configureIncrementalLoad(job, table.getTableDescriptor(), regionLocator);
+ assertEquals(job.getNumReduceTasks(), 4);
+ }
+
+ private byte [][] generateRandomStartKeys(int numKeys) {
+ Random random = new Random();
+ byte[][] ret = new byte[numKeys][];
+ // first region start key is always empty
+ ret[0] = HConstants.EMPTY_BYTE_ARRAY;
+ for (int i = 1; i < numKeys; i++) {
+ ret[i] =
+ PerformanceEvaluation.generateData(random, PerformanceEvaluation.DEFAULT_VALUE_LENGTH);
+ }
+ return ret;
+ }
+
+ private byte[][] generateRandomSplitKeys(int numKeys) {
+ Random random = new Random();
+ byte[][] ret = new byte[numKeys][];
+ for (int i = 0; i < numKeys; i++) {
+ ret[i] =
+ PerformanceEvaluation.generateData(random, PerformanceEvaluation.DEFAULT_VALUE_LENGTH);
+ }
+ return ret;
+ }
+
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void testMRIncrementalLoad() throws Exception {
+ LOG.info("\nStarting test testMRIncrementalLoad\n");
+ doIncrementalLoadTest(false, false, false, "testMRIncrementalLoad");
+ }
+
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void testMRIncrementalLoadWithSplit() throws Exception {
+ LOG.info("\nStarting test testMRIncrementalLoadWithSplit\n");
+ doIncrementalLoadTest(true, false, false, "testMRIncrementalLoadWithSplit");
+ }
+
+ /**
+ * Test for HFileOutputFormat2.LOCALITY_SENSITIVE_CONF_KEY = true
+ * This test could only check the correctness of original logic if LOCALITY_SENSITIVE_CONF_KEY
+ * is set to true. Because MiniHBaseCluster always run with single hostname (and different ports),
+ * it's not possible to check the region locality by comparing region locations and DN hostnames.
+ * When MiniHBaseCluster supports explicit hostnames parameter (just like MiniDFSCluster does),
+ * we could test region locality features more easily.
+ */
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void testMRIncrementalLoadWithLocality() throws Exception {
+ LOG.info("\nStarting test testMRIncrementalLoadWithLocality\n");
+ doIncrementalLoadTest(false, true, false, "testMRIncrementalLoadWithLocality1");
+ doIncrementalLoadTest(true, true, false, "testMRIncrementalLoadWithLocality2");
+ }
+
+ //@Ignore("Wahtevs")
+ @Test
+ public void testMRIncrementalLoadWithPutSortReducer() throws Exception {
+ LOG.info("\nStarting test testMRIncrementalLoadWithPutSortReducer\n");
+ doIncrementalLoadTest(false, false, true, "testMRIncrementalLoadWithPutSortReducer");
+ }
+
+ private void doIncrementalLoadTest(boolean shouldChangeRegions, boolean shouldKeepLocality,
+ boolean putSortReducer, String tableStr) throws Exception {
+ doIncrementalLoadTest(shouldChangeRegions, shouldKeepLocality, putSortReducer,
+ Arrays.asList(tableStr));
+ }
+
+ @Test
+ public void testMultiMRIncrementalLoadWithPutSortReducer() throws Exception {
+ LOG.info("\nStarting test testMultiMRIncrementalLoadWithPutSortReducer\n");
+ doIncrementalLoadTest(false, false, true,
+ Arrays.stream(TABLE_NAMES).map(TableName::getNameAsString).collect(Collectors.toList
+ ()));
+ }
+
+ private void doIncrementalLoadTest(boolean shouldChangeRegions, boolean shouldKeepLocality,
+ boolean putSortReducer, List<String> tableStr) throws Exception {
+ util = new HBaseTestingUtility();
+ Configuration conf = util.getConfiguration();
+ conf.setBoolean(MultiTableHFileOutputFormat.LOCALITY_SENSITIVE_CONF_KEY, shouldKeepLocality);
+ int hostCount = 1;
+ int regionNum = 5;
+ if (shouldKeepLocality) {
+ // We should change host count higher than hdfs replica count when MiniHBaseCluster supports
+ // explicit hostnames parameter just like MiniDFSCluster does.
+ hostCount = 3;
+ regionNum = 20;
+ }
+
+ String[] hostnames = new String[hostCount];
+ for (int i = 0; i < hostCount; ++i) {
+ hostnames[i] = "datanode_" + i;
+ }
+ util.startMiniCluster(1, hostCount, hostnames);
+
+ Map<String, Table> allTables = new HashMap<>(tableStr.size());
+ List<HFileOutputFormat2.TableInfo> tableInfo = new ArrayList<>(tableStr.size());
+ boolean writeMultipleTables = tableStr.size() > 1;
+ for (String tableStrSingle : tableStr) {
+ byte[][] splitKeys = generateRandomSplitKeys(regionNum - 1);
+ TableName tableName = TableName.valueOf(tableStrSingle);
+ Table table = util.createTable(tableName, FAMILIES, splitKeys);
+
+ RegionLocator r = util.getConnection().getRegionLocator(tableName);
+ assertEquals("Should start with empty table", 0, util.countRows(table));
+ int numRegions = r.getStartKeys().length;
+ assertEquals("Should make " + regionNum + " regions", numRegions, regionNum);
+
+ allTables.put(tableStrSingle, table);
+ tableInfo.add(new HFileOutputFormat2.TableInfo(table.getTableDescriptor(), r));
+ }
+ Path testDir = util.getDataTestDirOnTestFS("testLocalMRIncrementalLoad");
+ // Generate the bulk load files
+ runIncrementalPELoad(conf, tableInfo, testDir, putSortReducer);
+
+ for (Table tableSingle : allTables.values()) {
+ // This doesn't write into the table, just makes files
+ assertEquals("HFOF should not touch actual table", 0, util.countRows(tableSingle));
+ }
+ int numTableDirs = 0;
+ for (FileStatus tf : testDir.getFileSystem(conf).listStatus(testDir)) {
+ Path tablePath = testDir;
+
+ if (writeMultipleTables) {
+ if (allTables.containsKey(tf.getPath().getName())) {
+ ++numTableDirs;
+ tablePath = tf.getPath();
+ }
+ else {
+ continue;
+ }
+ }
+
+ // Make sure that a directory was created for every CF
+ int dir = 0;
+ for (FileStatus f : tablePath.getFileSystem(conf).listStatus(tablePath)) {
+ for (byte[] family : FAMILIES) {
+ if (Bytes.toString(family).equals(f.getPath().getName())) {
+ ++dir;
+ }
+ }
+ }
+ assertEquals("Column family not found in FS.", FAMILIES.length, dir);
+ }
+ if (writeMultipleTables) {
+ assertEquals("Dir for all input tables not created", numTableDirs, allTables.size());
+ }
+
+ Admin admin = util.getConnection().getAdmin();
+ try {
+ // handle the split case
+ if (shouldChangeRegions) {
+ Table chosenTable = allTables.values().iterator().next();
+ // Choose a semi-random table if multiple tables are available
+ LOG.info("Changing regions in table " + chosenTable.getName().getNameAsString());
+ admin.disableTable(chosenTable.getName());
+ util.waitUntilNoRegionsInTransition();
+
+ util.deleteTable(chosenTable.getName());
+ byte[][] newSplitKeys = generateRandomSplitKeys(14);
+ Table table = util.createTable(chosenTable.getName(), FAMILIES, newSplitKeys);
+
+ while (util.getConnection().getRegionLocator(chosenTable.getName())
+ .getAllRegionLocations().size() != 15 ||
+ !admin.isTableAvailable(table.getName())) {
+ Thread.sleep(200);
+ LOG.info("Waiting for new region assignment to happen");
+ }
+ }
+
+ // Perform the actual load
+ for (HFileOutputFormat2.TableInfo singleTableInfo : tableInfo) {
+ Path tableDir = testDir;
+ String tableNameStr = singleTableInfo.getHTableDescriptor().getNameAsString();
+ LOG.info("Running LoadIncrementalHFiles on table" + tableNameStr);
+ if (writeMultipleTables) {
+ tableDir = new Path(testDir, tableNameStr);
+ }
+ Table currentTable = allTables.get(tableNameStr);
+ TableName currentTableName = currentTable.getName();
+ new LoadIncrementalHFiles(conf).doBulkLoad(tableDir, admin, currentTable, singleTableInfo
+ .getRegionLocator());
+
+ // Ensure data shows up
+ int expectedRows = 0;
+ if (putSortReducer) {
+ // no rows should be extracted
+ assertEquals("LoadIncrementalHFiles should put expected data in table", expectedRows,
+ util.countRows(currentTable));
+ } else {
+ expectedRows = NMapInputFormat.getNumMapTasks(conf) * ROWSPERSPLIT;
+ assertEquals("LoadIncrementalHFiles should put expected data in table", expectedRows,
+ util.countRows(currentTable));
+ Scan scan = new Scan();
+ ResultScanner results = currentTable.getScanner(scan);
+ for (Result res : results) {
+ assertEquals(FAMILIES.length, res.rawCells().length);
+ Cell first = res.rawCells()[0];
+ for (Cell kv : res.rawCells()) {
+ assertTrue(CellUtil.matchingRow(first, kv));
+ assertTrue(Bytes.equals(CellUtil.cloneValue(first), CellUtil.cloneValue(kv)));
+ }
+ }
+ results.close();
+ }
+ String tableDigestBefore = util.checksumRows(currentTable);
+ // Check region locality
+ HDFSBlocksDistribution hbd = new HDFSBlocksDistribution();
+ for (HRegion region : util.getHBaseCluster().getRegions(currentTableName)) {
+ hbd.add(region.getHDFSBlocksDistribution());
+ }
+ for (String hostname : hostnames) {
+ float locality = hbd.getBlockLocalityIndex(hostname);
+ LOG.info("locality of [" + hostname + "]: " + locality);
+ assertEquals(100, (int) (locality * 100));
+ }
+
+ // Cause regions to reopen
+ admin.disableTable(currentTableName);
+ while (!admin.isTableDisabled(currentTableName)) {
+ Thread.sleep(200);
+ LOG.info("Waiting for table to disable");
+ }
+ admin.enableTable(currentTableName);
+ util.waitTableAvailable(currentTableName);
+ assertEquals("Data should remain after reopening of regions",
+ tableDigestBefore, util.checksumRows(currentTable));
+ }
+ } finally {
+ for (HFileOutputFormat2.TableInfo tableInfoSingle : tableInfo) {
+ tableInfoSingle.getRegionLocator().close();
+ }
+ for (Entry<String, Table> singleTable : allTables.entrySet() ) {
+ singleTable.getValue().close();
+ util.deleteTable(singleTable.getValue().getName());
+ }
+ testDir.getFileSystem(conf).delete(testDir, true);
+ util.shutdownMiniCluster();
+ }
+ }
+
+ private void runIncrementalPELoad(Configuration conf, List<HFileOutputFormat2.TableInfo> tableInfo, Path outDir,
+ boolean putSortReducer) throws IOException,
+ InterruptedException, ClassNotFoundException {
+ Job job = new Job(conf, "testLocalMRIncrementalLoad");
+ job.setWorkingDirectory(util.getDataTestDirOnTestFS("runIncrementalPELoad"));
+ job.getConfiguration().setStrings("io.serializations", conf.get("io.serializations"),
+ MutationSerialization.class.getName(), ResultSerialization.class.getName(),
+ KeyValueSerialization.class.getName());
+ setupRandomGeneratorMapper(job, putSortReducer);
+ if (tableInfo.size() > 1) {
+ MultiTableHFileOutputFormat.configureIncrementalLoad(job, tableInfo);
+ int sum = 0;
+ for (HFileOutputFormat2.TableInfo tableInfoSingle : tableInfo) {
+ sum += tableInfoSingle.getRegionLocator().getAllRegionLocations().size();
+ }
+ assertEquals(sum, job.getNumReduceTasks());
+ }
+ else {
+ RegionLocator regionLocator = tableInfo.get(0).getRegionLocator();
+ HFileOutputFormat2.configureIncrementalLoad(job, tableInfo.get(0).getHTableDescriptor(),
+ regionLocator);
+ assertEquals(regionLocator.getAllRegionLocations().size(), job.getNumReduceTasks());
+ }
+
+ FileOutputFormat.setOutputPath(job, outDir);
+
+ assertFalse(util.getTestFileSystem().exists(outDir)) ;
+
+ assertTrue(job.waitForCompletion(true));
+ }
+
+ /**
+ * Test for {@link HFileOutputFormat2#configureCompression(Configuration, HTableDescriptor)} and
+ * {@link HFileOutputFormat2#createFamilyCompressionMap(Configuration)}.
+ * Tests that the compression map is correctly serialized into
+ * and deserialized from configuration
+ *
+ * @throws IOException
+ */
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void testSerializeDeserializeFamilyCompressionMap() throws IOException {
+ for (int numCfs = 0; numCfs <= 3; numCfs++) {
+ Configuration conf = new Configuration(this.util.getConfiguration());
+ Map<String, Compression.Algorithm> familyToCompression =
+ getMockColumnFamiliesForCompression(numCfs);
+ Table table = Mockito.mock(Table.class);
+ setupMockColumnFamiliesForCompression(table, familyToCompression);
+ conf.set(HFileOutputFormat2.COMPRESSION_FAMILIES_CONF_KEY,
+ HFileOutputFormat2.serializeColumnFamilyAttribute
+ (HFileOutputFormat2.compressionDetails,
+ Arrays.asList(table.getTableDescriptor())));
+
+ // read back family specific compression setting from the configuration
+ Map<byte[], Algorithm> retrievedFamilyToCompressionMap = HFileOutputFormat2
+ .createFamilyCompressionMap(conf);
+
+ // test that we have a value for all column families that matches with the
+ // used mock values
+ for (Entry<String, Algorithm> entry : familyToCompression.entrySet()) {
+ assertEquals("Compression configuration incorrect for column family:"
+ + entry.getKey(), entry.getValue(),
+ retrievedFamilyToCompressionMap.get(entry.getKey().getBytes("UTF-8")));
+ }
+ }
+ }
+
+ private void setupMockColumnFamiliesForCompression(Table table,
+ Map<String, Compression.Algorithm> familyToCompression) throws IOException {
+ HTableDescriptor mockTableDescriptor = new HTableDescriptor(TABLE_NAMES[0]);
+ for (Entry<String, Compression.Algorithm> entry : familyToCompression.entrySet()) {
+ mockTableDescriptor.addFamily(new HColumnDescriptor(entry.getKey())
+ .setMaxVersions(1)
+ .setCompressionType(entry.getValue())
+ .setBlockCacheEnabled(false)
+ .setTimeToLive(0));
+ }
+ Mockito.doReturn(mockTableDescriptor).when(table).getTableDescriptor();
+ }
+
+ /**
+ * @return a map from column family names to compression algorithms for
+ * testing column family compression. Column family names have special characters
+ */
+ private Map<String, Compression.Algorithm>
+ getMockColumnFamiliesForCompression (int numCfs) {
+ Map<String, Compression.Algorithm> familyToCompression = new HashMap<>();
+ // use column family names having special characters
+ if (numCfs-- > 0) {
+ familyToCompression.put("Family1!@#!@#&", Compression.Algorithm.LZO);
+ }
+ if (numCfs-- > 0) {
+ familyToCompression.put("Family2=asdads&!AASD", Compression.Algorithm.SNAPPY);
+ }
+ if (numCfs-- > 0) {
+ familyToCompression.put("Family2=asdads&!AASD", Compression.Algorithm.GZ);
+ }
+ if (numCfs-- > 0) {
+ familyToCompression.put("Family3", Compression.Algorithm.NONE);
+ }
+ return familyToCompression;
+ }
+
+
+ /**
+ * Test for {@link HFileOutputFormat2#configureBloomType(HTableDescriptor, Configuration)} and
+ * {@link HFileOutputFormat2#createFamilyBloomTypeMap(Configuration)}.
+ * Tests that the compression map is correctly serialized into
+ * and deserialized from configuration
+ *
+ * @throws IOException
+ */
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void testSerializeDeserializeFamilyBloomTypeMap() throws IOException {
+ for (int numCfs = 0; numCfs <= 2; numCfs++) {
+ Configuration conf = new Configuration(this.util.getConfiguration());
+ Map<String, BloomType> familyToBloomType =
+ getMockColumnFamiliesForBloomType(numCfs);
+ Table table = Mockito.mock(Table.class);
+ setupMockColumnFamiliesForBloomType(table,
+ familyToBloomType);
+ conf.set(HFileOutputFormat2.BLOOM_TYPE_FAMILIES_CONF_KEY,
+ HFileOutputFormat2.serializeColumnFamilyAttribute(HFileOutputFormat2.bloomTypeDetails,
+ Arrays.asList(table.getTableDescriptor())));
+
+ // read back family specific data block encoding settings from the
+ // configuration
+ Map<byte[], BloomType> retrievedFamilyToBloomTypeMap =
+ HFileOutputFormat2
+ .createFamilyBloomTypeMap(conf);
+
+ // test that we have a value for all column families that matches with the
+ // used mock values
+ for (Entry<String, BloomType> entry : familyToBloomType.entrySet()) {
+ assertEquals("BloomType configuration incorrect for column family:"
+ + entry.getKey(), entry.getValue(),
+ retrievedFamilyToBloomTypeMap.get(entry.getKey().getBytes("UTF-8")));
+ }
+ }
+ }
+
+ private void setupMockColumnFamiliesForBloomType(Table table,
+ Map<String, BloomType> familyToDataBlockEncoding) throws IOException {
+ HTableDescriptor mockTableDescriptor = new HTableDescriptor(TABLE_NAMES[0]);
+ for (Entry<String, BloomType> entry : familyToDataBlockEncoding.entrySet()) {
+ mockTableDescriptor.addFamily(new HColumnDescriptor(entry.getKey())
+ .setMaxVersions(1)
+ .setBloomFilterType(entry.getValue())
+ .setBlockCacheEnabled(false)
+ .setTimeToLive(0));
+ }
+ Mockito.doReturn(mockTableDescriptor).when(table).getTableDescriptor();
+ }
+
+ /**
+ * @return a map from column family names to compression algorithms for
+ * testing column family compression. Column family names have special characters
+ */
+ private Map<String, BloomType>
+ getMockColumnFamiliesForBloomType (int numCfs) {
+ Map<String, BloomType> familyToBloomType = new HashMap<>();
+ // use column family names having special characters
+ if (numCfs-- > 0) {
+ familyToBloomType.put("Family1!@#!@#&", BloomType.ROW);
+ }
+ if (numCfs-- > 0) {
+ familyToBloomType.put("Family2=asdads&!AASD",
+ BloomType.ROWCOL);
+ }
+ if (numCfs-- > 0) {
+ familyToBloomType.put("Family3", BloomType.NONE);
+ }
+ return familyToBloomType;
+ }
+
+ /**
+ * Test for {@link HFileOutputFormat2#configureBlockSize(HTableDescriptor, Configuration)} and
+ * {@link HFileOutputFormat2#createFamilyBlockSizeMap(Configuration)}.
+ * Tests that the compression map is correctly serialized into
+ * and deserialized from configuration
+ *
+ * @throws IOException
+ */
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void testSerializeDeserializeFamilyBlockSizeMap() throws IOException {
+ for (int numCfs = 0; numCfs <= 3; numCfs++) {
+ Configuration conf = new Configuration(this.util.getConfiguration());
+ Map<String, Integer> familyToBlockSize =
+ getMockColumnFamiliesForBlockSize(numCfs);
+ Table table = Mockito.mock(Table.class);
+ setupMockColumnFamiliesForBlockSize(table,
+ familyToBlockSize);
+ conf.set(HFileOutputFormat2.BLOCK_SIZE_FAMILIES_CONF_KEY,
+ HFileOutputFormat2.serializeColumnFamilyAttribute
+ (HFileOutputFormat2.blockSizeDetails, Arrays.asList(table
+ .getTableDescriptor())));
+
+ // read back family specific data block encoding settings from the
+ // configuration
+ Map<byte[], Integer> retrievedFamilyToBlockSizeMap =
+ HFileOutputFormat2
+ .createFamilyBlockSizeMap(conf);
+
+ // test that we have a value for all column families that matches with the
+ // used mock values
+ for (Entry<String, Integer> entry : familyToBlockSize.entrySet()
+ ) {
+ assertEquals("BlockSize configuration incorrect for column family:"
+ + entry.getKey(), entry.getValue(),
+ retrievedFamilyToBlockSizeMap.get(entry.getKey().getBytes("UTF-8")));
+ }
+ }
+ }
+
+ private void setupMockColumnFamiliesForBlockSize(Table table,
+ Map<String, Integer> familyToDataBlockEncoding) throws IOException {
+ HTableDescriptor mockTableDescriptor = new HTableDescriptor(TABLE_NAMES[0]);
+ for (Entry<String, Integer> entry : familyToDataBlockEncoding.entrySet()) {
+ mockTableDescriptor.addFamily(new HColumnDescriptor(entry.getKey())
+ .setMaxVersions(1)
+ .setBlocksize(entry.getValue())
+ .setBlockCacheEnabled(false)
+ .setTimeToLive(0));
+ }
+ Mockito.doReturn(mockTableDescriptor).when(table).getTableDescriptor();
+ }
+
+ /**
+ * @return a map from column family names to compression algorithms for
+ * testing column family compression. Column family names have special characters
+ */
+ private Map<String, Integer>
+ getMockColumnFamiliesForBlockSize (int numCfs) {
+ Map<String, Integer> familyToBlockSize = new HashMap<>();
+ // use column family names having special characters
+ if (numCfs-- > 0) {
+ familyToBlockSize.put("Family1!@#!@#&", 1234);
+ }
+ if (numCfs-- > 0) {
+ familyToBlockSize.put("Family2=asdads&!AASD",
+ Integer.MAX_VALUE);
+ }
+ if (numCfs-- > 0) {
+ familyToBlockSize.put("Family2=asdads&!AASD",
+ Integer.MAX_VALUE);
+ }
+ if (numCfs-- > 0) {
+ familyToBlockSize.put("Family3", 0);
+ }
+ return familyToBlockSize;
+ }
+
+ /**
+ * Test for {@link HFileOutputFormat2#configureDataBlockEncoding(HTableDescriptor, Configuration)}
+ * and {@link HFileOutputFormat2#createFamilyDataBlockEncodingMap(Configuration)}.
+ * Tests that the compression map is correctly serialized into
+ * and deserialized from configuration
+ *
+ * @throws IOException
+ */
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void testSerializeDeserializeFamilyDataBlockEncodingMap() throws IOException {
+ for (int numCfs = 0; numCfs <= 3; numCfs++) {
+ Configuration conf = new Configuration(this.util.getConfiguration());
+ Map<String, DataBlockEncoding> familyToDataBlockEncoding =
+ getMockColumnFamiliesForDataBlockEncoding(numCfs);
+ Table table = Mockito.mock(Table.class);
+ setupMockColumnFamiliesForDataBlockEncoding(table,
+ familyToDataBlockEncoding);
+ HTableDescriptor tableDescriptor = table.getTableDescriptor();
+ conf.set(HFileOutputFormat2.DATABLOCK_ENCODING_FAMILIES_CONF_KEY,
+ HFileOutputFormat2.serializeColumnFamilyAttribute
+ (HFileOutputFormat2.dataBlockEncodingDetails, Arrays
+ .asList(tableDescriptor)));
+
+ // read back family specific data block encoding settings from the
+ // configuration
+ Map<byte[], DataBlockEncoding> retrievedFamilyToDataBlockEncodingMap =
+ HFileOutputFormat2
+ .createFamilyDataBlockEncodingMap(conf);
+
+ // test that we have a value for all column families that matches with the
+ // used mock values
+ for (Entry<String, DataBlockEncoding> entry : familyToDataBlockEncoding.entrySet()) {
+ assertEquals("DataBlockEncoding configuration incorrect for column family:"
+ + entry.getKey(), entry.getValue(),
+ retrievedFamilyToDataBlockEncodingMap.get(entry.getKey().getBytes("UTF-8")));
+ }
+ }
+ }
+
+ private void setupMockColumnFamiliesForDataBlockEncoding(Table table,
+ Map<String, DataBlockEncoding> familyToDataBlockEncoding) throws IOException {
+ HTableDescriptor mockTableDescriptor = new HTableDescriptor(TABLE_NAMES[0]);
+ for (Entry<String, DataBlockEncoding> entry : familyToDataBlockEncoding.entrySet()) {
+ mockTableDescriptor.addFamily(new HColumnDescriptor(entry.getKey())
+ .setMaxVersions(1)
+ .setDataBlockEncoding(entry.getValue())
+ .setBlockCacheEnabled(false)
+ .setTimeToLive(0));
+ }
+ Mockito.doReturn(mockTableDescriptor).when(table).getTableDescriptor();
+ }
+
+ /**
+ * @return a map from column family names to compression algorithms for
+ * testing column family compression. Column family names have special characters
+ */
+ private Map<String, DataBlockEncoding>
+ getMockColumnFamiliesForDataBlockEncoding (int numCfs) {
+ Map<String, DataBlockEncoding> familyToDataBlockEncoding = new HashMap<>();
+ // use column family names having special characters
+ if (numCfs-- > 0) {
+ familyToDataBlockEncoding.put("Family1!@#!@#&", DataBlockEncoding.DIFF);
+ }
+ if (numCfs-- > 0) {
+ familyToDataBlockEncoding.put("Family2=asdads&!AASD",
+ DataBlockEncoding.FAST_DIFF);
+ }
+ if (numCfs-- > 0) {
+ familyToDataBlockEncoding.put("Family2=asdads&!AASD",
+ DataBlockEncoding.PREFIX);
+ }
+ if (numCfs-- > 0) {
+ familyToDataBlockEncoding.put("Family3", DataBlockEncoding.NONE);
+ }
+ return familyToDataBlockEncoding;
+ }
+
+ private void setupMockStartKeys(RegionLocator table) throws IOException {
+ byte[][] mockKeys = new byte[][] {
+ HConstants.EMPTY_BYTE_ARRAY,
+ Bytes.toBytes("aaa"),
+ Bytes.toBytes("ggg"),
+ Bytes.toBytes("zzz")
+ };
+ Mockito.doReturn(mockKeys).when(table).getStartKeys();
+ }
+
+ private void setupMockTableName(RegionLocator table) throws IOException {
+ TableName mockTableName = TableName.valueOf("mock_table");
+ Mockito.doReturn(mockTableName).when(table).getName();
+ }
+
+ /**
+ * Test that {@link HFileOutputFormat2} RecordWriter uses compression and
+ * bloom filter settings from the column family descriptor
+ */
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void testColumnFamilySettings() throws Exception {
+ Configuration conf = new Configuration(this.util.getConfiguration());
+ RecordWriter<ImmutableBytesWritable, Cell> writer = null;
+ TaskAttemptContext context = null;
+ Path dir = util.getDataTestDir("testColumnFamilySettings");
+
+ // Setup table descriptor
+ Table table = Mockito.mock(Table.class);
+ RegionLocator regionLocator = Mockito.mock(RegionLocator.class);
+ HTableDescriptor htd = new HTableDescriptor(TABLE_NAMES[0]);
+ Mockito.doReturn(htd).when(table).getTableDescriptor();
+ for (HColumnDescriptor hcd: HBaseTestingUtility.generateColumnDescriptors()) {
+ htd.addFamily(hcd);
+ }
+
+ // set up the table to return some mock keys
+ setupMockStartKeys(regionLocator);
+
+ try {
+ // partial map red setup to get an operational writer for testing
+ // We turn off the sequence file compression, because DefaultCodec
+ // pollutes the GZip codec pool with an incompatible compressor.
+ conf.set("io.seqfile.compression.type", "NONE");
+ conf.set("hbase.fs.tmp.dir", dir.toString());
+ // turn locality off to eliminate getRegionLocation fail-and-retry time when writing kvs
+ conf.setBoolean(HFileOutputFormat2.LOCALITY_SENSITIVE_CONF_KEY, false);
+
+ Job job = new Job(conf, "testLocalMRIncrementalLoad");
+ job.setWorkingDirectory(util.getDataTestDirOnTestFS("testColumnFamilySettings"));
+ setupRandomGeneratorMapper(job, false);
+ HFileOutputFormat2.configureIncrementalLoad(job, table.getTableDescriptor(), regionLocator);
+ FileOutputFormat.setOutputPath(job, dir);
+ context = createTestTaskAttemptContext(job);
+ HFileOutputFormat2 hof = new HFileOutputFormat2();
+ writer = hof.getRecordWriter(context);
+
+ // write out random rows
+ writeRandomKeyValues(writer, context, htd.getFamiliesKeys(), ROWSPERSPLIT);
+ writer.close(context);
+
+ // Make sure that a directory was created for every CF
+ FileSystem fs = dir.getFileSystem(conf);
+
+ // commit so that the filesystem has one directory per column family
+ hof.getOutputCommitter(context).commitTask(context);
+ hof.getOutputCommitter(context).commitJob(context);
+ FileStatus[] families = FSUtils.listStatus(fs, dir, new FSUtils.FamilyDirFilter(fs));
+ assertEquals(htd.getFamilies().size(), families.length);
+ for (FileStatus f : families) {
+ String familyStr = f.getPath().getName();
+ HColumnDescriptor hcd = htd.getFamily(Bytes.toBytes(familyStr));
+ // verify that the compression on this file matches the configured
+ // compression
+ Path dataFilePath = fs.listStatus(f.getPath())[0].getPath();
+ Reader reader = HFile.createReader(fs, dataFilePath, new CacheConfig(conf), true, conf);
+ Map<byte[], byte[]> fileInfo = reader.loadFileInfo();
+
+ byte[] bloomFilter = fileInfo.get(StoreFile.BLOOM_FILTER_TYPE_KEY);
+ if (bloomFilter == null) bloomFilter = Bytes.toBytes("NONE");
+ assertEquals("Incorrect bloom filter used for column family " + familyStr +
+ "(reader: " + reader + ")",
+ hcd.getBloomFilterType(), BloomType.valueOf(Bytes.toString(bloomFilter)));
+ assertEquals("Incorrect compression used for column family " + familyStr +
+ "(reader: " + reader + ")", hcd.getCompressionType(), reader.getFileContext().getCompression());
+ }
+ } finally {
+ dir.getFileSystem(conf).delete(dir, true);
+ }
+ }
+
+ /**
+ * Write random values to the writer assuming a table created using
+ * {@link #FAMILIES} as column family descriptors
+ */
+ private void writeRandomKeyValues(RecordWriter<ImmutableBytesWritable, Cell> writer,
+ TaskAttemptContext context, Set<byte[]> families, int numRows)
+ throws IOException, InterruptedException {
+ byte keyBytes[] = new byte[Bytes.SIZEOF_INT];
+ int valLength = 10;
+ byte valBytes[] = new byte[valLength];
+
+ int taskId = context.getTaskAttemptID().getTaskID().getId();
+ assert taskId < Byte.MAX_VALUE : "Unit tests dont support > 127 tasks!";
+ final byte [] qualifier = Bytes.toBytes("data");
+ Random random = new Random();
+ for (int i = 0; i < numRows; i++) {
+
+ Bytes.putInt(keyBytes, 0, i);
+ random.nextBytes(valBytes);
+ ImmutableBytesWritable key = new ImmutableBytesWritable(keyBytes);
+
+ for (byte[] family : families) {
+ Cell kv = new KeyValue(keyBytes, family, qualifier, valBytes);
+ writer.write(key, kv);
+ }
+ }
+ }
+
+ /**
+ * This test is to test the scenario happened in HBASE-6901.
+ * All files are bulk loaded and excluded from minor compaction.
+ * Without the fix of HBASE-6901, an ArrayIndexOutOfBoundsException
+ * will be thrown.
+ */
+ @Ignore ("Flakey: See HBASE-9051") @Test
+ public void testExcludeAllFromMinorCompaction() throws Exception {
+ Configuration conf = util.getConfiguration();
+ conf.setInt("hbase.hstore.compaction.min", 2);
+ generateRandomStartKeys(5);
+
+ util.startMiniCluster();
+ try (Connection conn = ConnectionFactory.createConnection();
+ Admin admin = conn.getAdmin();
+ Table table = util.createTable(TABLE_NAMES[0], FAMILIES);
+ RegionLocator locator = conn.getRegionLocator(TABLE_NAMES[0])) {
+ final FileSystem fs = util.getDFSCluster().getFileSystem();
+ assertEquals("Should start with empty table", 0, util.countRows(table));
+
+ // deep inspection: get the StoreFile dir
+ final Path storePath = new Path(
+ FSUtils.getTableDir(FSUtils.getRootDir(conf), TABLE_NAMES[0]),
+ new Path(admin.getTableRegions(TABLE_NAMES[0]).get(0).getEncodedName(),
+ Bytes.toString(FAMILIES[0])));
+ assertEquals(0, fs.listStatus(storePath).length);
+
+ // Generate two bulk load files
+ conf.setBoolean("hbase.mapreduce.hfileoutputformat.compaction.exclude",
+ true);
+
+ for (int i = 0; i < 2; i++) {
+ Path testDir = util.getDataTestDirOnTestFS("testExcludeAllFromMinorCompaction_" + i);
+ runIncrementalPELoad(conf, Arrays.asList(new HFileOutputFormat2.TableInfo(table
+ .getTableDescriptor(), conn.getRegionLocator(TABLE_NAMES[0]))), testDir, false);
+ // Perform the actual load
+ new LoadIncrementalHFiles(conf).doBulkLoad(testDir, admin, table, locator);
+ }
+
+ // Ensure data shows up
+ int expectedRows = 2 * NMapInputFormat.getNumMapTasks(conf) * ROWSPERSPLIT;
+ assertEquals("LoadIncrementalHFiles should put expected data in table",
+ expectedRows, util.countRows(table));
+
+ // should have a second StoreFile now
+ assertEquals(2, fs.listStatus(storePath).length);
+
+ // minor compactions shouldn't get rid of the file
+ admin.compact(TABLE_NAMES[0]);
+ try {
+ quickPoll(new Callable<Boolean>() {
+ @Override
+ public Boolean call() throws Exception {
+ List<HRegion> regions = util.getMiniHBaseCluster().getRegions(TABLE_NAMES[0]);
+ for (HRegion region : regions) {
+ for (Store store : region.getStores()) {
+ store.closeAndArchiveCompactedFiles();
+ }
+ }
+ return fs.listStatus(storePath).length == 1;
+ }
+ }, 5000);
+ throw new IOException("SF# = " + fs.listStatus(storePath).length);
+ } catch (AssertionError ae) {
+ // this is expected behavior
+ }
+
+ // a major compaction should work though
+ admin.majorCompact(TABLE_NAMES[0]);
+ quickPoll(new Callable<Boolean>() {
+ @Override
+ public Boolean call() throws Exception {
+ List<HRegion> regions = util.getMiniHBaseCluster().getRegions(TABLE_NAMES[0]);
+ for (HRegion region : regions) {
+ for (Store store : region.getStores()) {
+ store.closeAndArchiveCompactedFiles();
+ }
+ }
+ return fs.listStatus(storePath).length == 1;
+ }
+ }, 5000);
+
+ } finally {
+ util.shutdownMiniCluster();
+ }
+ }
+
+ @Ignore("Goes zombie too frequently; needs work. See HBASE-14563") @Test
+ public void testExcludeMinorCompaction() throws Exception {
+ Configuration conf = util.getConfiguration();
+ conf.setInt("hbase.hstore.compaction.min", 2);
+ generateRandomStartKeys(5);
+
+ util.startMiniCluster();
+ try (Connection conn = ConnectionFactory.createConnection(conf);
+ Admin admin = conn.getAdmin()){
+ Path testDir = util.getDataTestDirOnTestFS("testExcludeMinorCompaction");
+ final FileSystem fs = util.getDFSCluster().getFileSystem();
+ Table table = util.createTable(TABLE_NAMES[0], FAMILIES);
+ assertEquals("Should start with empty table", 0, util.countRows(table));
+
+ // deep inspection: get the StoreFile dir
+ final Path storePath = new Path(
+ FSUtils.getTableDir(FSUtils.getRootDir(conf), TABLE_NAMES[0]),
+ new Path(admin.getTableRegions(TABLE_NAMES[0]).get(0).getEncodedName(),
+ Bytes.toString(FAMILIES[0])));
+ assertEquals(0, fs.listStatus(storePath).length);
+
+ // put some data in it and flush to create a storefile
+ Put p = new Put(Bytes.toBytes("test"));
+ p.addColumn(FAMILIES[0], Bytes.toBytes("1"), Bytes.toBytes("1"));
+ table.put(p);
+ admin.flush(TABLE_NAMES[0]);
+ assertEquals(1, util.countRows(table));
+ quickPoll(new Callable<Boolean>() {
+ @Override
+ public Boolean call() throws Exception {
+ return fs.listStatus(storePath).length == 1;
+ }
+ }, 5000);
+
+ // Generate a bulk load file with more rows
+ conf.setBoolean("hbase.mapreduce.hfileoutputformat.compaction.exclude",
+ true);
+
+ RegionLocator regionLocator = conn.getRegionLocator(TABLE_NAMES[0]);
+ runIncrementalPELoad(conf, Arrays.asList(new HFileOutputFormat2.TableInfo(table
+ .getTableDescriptor(), regionLocator)), testDir, false);
+
+ // Perform the actual load
+ new LoadIncrementalHFiles(conf).doBulkLoad(testDir, admin, table, regionLocator);
+
+ // Ensure data shows up
+ int expectedRows = NMapInputFormat.getNumMapTasks(conf) * ROWSPERSPLIT;
+ assertEquals("LoadIncrementalHFiles should put expected data in table",
+ expectedRows + 1, util.countRows(table));
+
+ // should have a second StoreFile now
+ assertEquals(2, fs.listStatus(storePath).length);
+
+ // minor compactions shouldn't get rid of the file
+ admin.compact(TABLE_NAMES[0]);
+ try {
+ quickPoll(new Callable<Boolean>() {
+ @Override
+ public Boolean call() throws Exception {
+ return fs.listStatus(storePath).length == 1;
+ }
+ }, 5000);
+ throw new IOException("SF# = " + fs.listStatus(storePath).length);
+ } catch (AssertionError ae) {
+ // this is expected behavior
+ }
+
+ // a major compaction should work though
+ admin.majorCompact(TABLE_NAMES[0]);
+ quickPoll(new Callable<Boolean>() {
+ @Override
+ public Boolean call() throws Exception {
+ return fs.listStatus(storePath).length == 1;
+ }
+ }, 5000);
+
+ } finally {
+ util.shutdownMiniCluster();
+ }
+ }
+
+ private void quickPoll(Callable<Boolean> c, int waitMs) throws Exception {
+ int sleepMs = 10;
+ int retries = (int) Math.ceil(((double) waitMs) / sleepMs);
+ while (retries-- > 0) {
+ if (c.call().booleanValue()) {
+ return;
+ }
+ Thread.sleep(sleepMs);
+ }
+ fail();
+ }
+
+ public static void main(String args[]) throws Exception {
+ new TestHFileOutputFormat2().manualTest(args);
+ }
+
+ public void manualTest(String args[]) throws Exception {
+ Configuration conf = HBaseConfiguration.create();
+ util = new HBaseTestingUtility(conf);
+ if ("newtable".equals(args[0])) {
+ TableName tname = TableName.valueOf(args[1]);
+ byte[][] splitKeys = generateRandomSplitKeys(4);
+ Table table = util.createTable(tname, FAMILIES, splitKeys);
+ } else if ("incremental".equals(args[0])) {
+ TableName tname = TableName.valueOf(args[1]);
+ try(Connection c = ConnectionFactory.createConnection(conf);
+ Admin admin = c.getAdmin();
+ RegionLocator regionLocator = c.getRegionLocator(tname)) {
+ Path outDir = new Path("incremental-out");
+ runIncrementalPELoad(conf, Arrays.asList(new HFileOutputFormat2.TableInfo(admin
+ .getTableDescriptor(tname), regionLocator)), outDir, false);
+ }
+ } else {
+ throw new RuntimeException(
+ "usage: TestHFileOutputFormat2 newtable | incremental");
+ }
+ }
+
+ @Test
+ public void testBlockStoragePolicy() throws Exception {
+ util = new HBaseTestingUtility();
+ Configuration conf = util.getConfiguration();
+ conf.set(HFileOutputFormat2.STORAGE_POLICY_PROPERTY, "ALL_SSD");
+
+ conf.set(HFileOutputFormat2.STORAGE_POLICY_PROPERTY_CF_PREFIX +
+ Bytes.toString(HFileOutputFormat2.combineTableNameSuffix(
+ TABLE_NAMES[0].getName(), FAMILIES[0])), "ONE_SSD");
+ Path cf1Dir = new Path(util.getDataTestDir(), Bytes.toString(FAMILIES[0]));
+ Path cf2Dir = new Path(util.getDataTestDir(), Bytes.toString(FAMILIES[1]));
+ util.startMiniDFSCluster(3);
+ FileSystem fs = util.getDFSCluster().getFileSystem();
+ try {
+ fs.mkdirs(cf1Dir);
+ fs.mkdirs(cf2Dir);
+
+ // the original block storage policy would be HOT
+ String spA = getStoragePolicyName(fs, cf1Dir);
+ String spB = getStoragePolicyName(fs, cf2Dir);
+ LOG.debug("Storage policy of cf 0: [" + spA + "].");
+ LOG.debug("Storage policy of cf 1: [" + spB + "].");
+ assertEquals("HOT", spA);
+ assertEquals("HOT", spB);
+
+ // alter table cf schema to change storage policies
+ HFileOutputFormat2.configureStoragePolicy(conf, fs,
+ HFileOutputFormat2.combineTableNameSuffix(TABLE_NAMES[0].getName(), FAMILIES[0]), cf1Dir);
+ HFileOutputFormat2.configureStoragePolicy(conf, fs,
+ HFileOutputFormat2.combineTableNameSuffix(TABLE_NAMES[0].getName(), FAMILIES[1]), cf2Dir);
+ spA = getStoragePolicyName(fs, cf1Dir);
+ spB = getStoragePolicyName(fs, cf2Dir);
+ LOG.debug("Storage policy of cf 0: [" + spA + "].");
+ LOG.debug("Storage policy of cf 1: [" + spB + "].");
+ assertNotNull(spA);
+ assertEquals("ONE_SSD", spA);
+ assertNotNull(spB);
+ assertEquals("ALL_SSD", spB);
+ } finally {
+ fs.delete(cf1Dir, true);
+ fs.delete(cf2Dir, true);
+ util.shutdownMiniDFSCluster();
+ }
+ }
+
+ private String getStoragePolicyName(FileSystem fs, Path path) {
+ try {
+ Object blockStoragePolicySpi = ReflectionUtils.invokeMethod(fs, "getStoragePolicy", path);
+ return (String) ReflectionUtils.invokeMethod(blockStoragePolicySpi, "getName");
+ } catch (Exception e) {
+ // Maybe fail because of using old HDFS version, try the old way
+ if (LOG.isTraceEnabled()) {
+ LOG.trace("Failed to get policy directly", e);
+ }
+ String policy = getStoragePolicyNameForOldHDFSVersion(fs, path);
+ return policy == null ? "HOT" : policy;// HOT by default
+ }
+ }
+
+ private String getStoragePolicyNameForOldHDFSVersion(FileSystem fs, Path path) {
+ try {
+ if (fs instanceof DistributedFileSystem) {
+ DistributedFileSystem dfs = (DistributedFileSystem) fs;
+ HdfsFileStatus status = dfs.getClient().getFileInfo(path.toUri().getPath());
+ if (null != status) {
+ byte storagePolicyId = status.getStoragePolicy();
+ Field idUnspecified = BlockStoragePolicySuite.class.getField("ID_UNSPECIFIED");
+ if (storagePolicyId != idUnspecified.getByte(BlockStoragePolicySuite.class)) {
+ BlockStoragePolicy[] policies = dfs.getStoragePolicies();
+ for (BlockStoragePolicy policy : policies) {
+ if (policy.getId() == storagePolicyId) {
+ return policy.getName();
+ }
+ }
+ }
+ }
+ }
+ } catch (Throwable e) {
+ LOG.warn("failed to get block storage policy of [" + path + "]", e);
+ }
+
+ return null;
+ }
+}
+
http://git-wip-us.apache.org/repos/asf/hbase/blob/664b6be0/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHRegionPartitioner.java
----------------------------------------------------------------------
diff --git a/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHRegionPartitioner.java b/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHRegionPartitioner.java
new file mode 100644
index 0000000..c0debb4
--- /dev/null
+++ b/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHRegionPartitioner.java
@@ -0,0 +1,71 @@
+/**
+ * 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.hbase.mapreduce;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.HBaseTestingUtility;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.testclassification.MapReduceTests;
+import org.apache.hadoop.hbase.testclassification.MediumTests;
+import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.rules.TestName;
+
+import static org.junit.Assert.assertEquals;
+
+@Category({MapReduceTests.class, MediumTests.class})
+public class TestHRegionPartitioner {
+ private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
+
+ @Rule
+ public TestName name = new TestName();
+
+ @BeforeClass
+ public static void beforeClass() throws Exception {
+ UTIL.startMiniCluster();
+ }
+
+ @AfterClass
+ public static void afterClass() throws Exception {
+ UTIL.shutdownMiniCluster();
+ }
+
+ /**
+ * Test HRegionPartitioner
+ */
+ @Test (timeout=300000)
+ public void testHRegionPartitioner() throws Exception {
+
+ byte[][] families = { Bytes.toBytes("familyA"), Bytes.toBytes("familyB") };
+
+ UTIL.createTable(TableName.valueOf(name.getMethodName()), families, 1,
+ Bytes.toBytes("aa"), Bytes.toBytes("cc"), 3);
+
+ HRegionPartitioner<Long, Long> partitioner = new HRegionPartitioner<>();
+ Configuration configuration = UTIL.getConfiguration();
+ configuration.set(TableOutputFormat.OUTPUT_TABLE, name.getMethodName());
+ partitioner.setConf(configuration);
+ ImmutableBytesWritable writable = new ImmutableBytesWritable(Bytes.toBytes("bb"));
+
+ assertEquals(1, partitioner.getPartition(writable, 10L, 3));
+ assertEquals(0, partitioner.getPartition(writable, 10L, 1));
+ }
+}
http://git-wip-us.apache.org/repos/asf/hbase/blob/664b6be0/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHashTable.java
----------------------------------------------------------------------
diff --git a/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHashTable.java b/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHashTable.java
new file mode 100644
index 0000000..87e7852
--- /dev/null
+++ b/hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHashTable.java
@@ -0,0 +1,194 @@
+/**
+ * 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.hbase.mapreduce;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hbase.HBaseTestingUtility;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Put;
+import org.apache.hadoop.hbase.client.Table;
+import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
+import org.apache.hadoop.hbase.testclassification.LargeTests;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.io.MapFile;
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import org.apache.hadoop.hbase.shaded.com.google.common.collect.ImmutableMap;
+import org.apache.hadoop.hbase.shaded.com.google.common.collect.Maps;
+import org.junit.rules.TestName;
+
+/**
+ * Basic test for the HashTable M/R tool
+ */
+@Category(LargeTests.class)
+public class TestHashTable {
+
+ private static final Log LOG = LogFactory.getLog(TestHashTable.class);
+
+ private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
+
+ @Rule
+ public TestName name = new TestName();
+
+ @BeforeClass
+ public static void beforeClass() throws Exception {
+ TEST_UTIL.startMiniCluster(3);
+ }
+
+ @AfterClass
+ public static void afterClass() throws Exception {
+ TEST_UTIL.shutdownMiniCluster();
+ }
+
+ @Test
+ public void testHashTable() throws Exception {
+ final TableName tableName = TableName.valueOf(name.getMethodName());
+ final byte[] family = Bytes.toBytes("family");
+ final byte[] column1 = Bytes.toBytes("c1");
+ final byte[] column2 = Bytes.toBytes("c2");
+ final byte[] column3 = Bytes.toBytes("c3");
+
+ int numRows = 100;
+ int numRegions = 10;
+ int numHashFiles = 3;
+
+ byte[][] splitRows = new byte[numRegions-1][];
+ for (int i = 1; i < numRegions; i++) {
+ splitRows[i-1] = Bytes.toBytes(numRows * i / numRegions);
+ }
+
+ long timestamp = 1430764183454L;
+ // put rows into the first table
+ Table t1 = TEST_UTIL.createTable(tableName, family, splitRows);
+ for (int i = 0; i < numRows; i++) {
+ Put p = new Put(Bytes.toBytes(i), timestamp);
+ p.addColumn(family, column1, column1);
+ p.addColumn(family, column2, column2);
+ p.addColumn(family, column3, column3);
+ t1.put(p);
+ }
+ t1.close();
+
+ HashTable hashTable = new HashTable(TEST_UTIL.getConfiguration());
+
+ Path testDir = TEST_UTIL.getDataTestDirOnTestFS(tableName.getNameAsString());
+
+ long batchSize = 300;
+ int code = hashTable.run(new String[] {
+ "--batchsize=" + batchSize,
+ "--numhashfiles=" + numHashFiles,
+ "--scanbatch=2",
+ tableName.getNameAsString(),
+ testDir.toString()});
+ assertEquals("test job failed", 0, code);
+
+ FileSystem fs = TEST_UTIL.getTestFileSystem();
+
+ HashTable.TableHash tableHash = HashTable.TableHash.read(fs.getConf(), testDir);
+ assertEquals(tableName.getNameAsString(), tableHash.tableName);
+ assertEquals(batchSize, tableHash.batchSize);
+ assertEquals(numHashFiles, tableHash.numHashFiles);
+ assertEquals(numHashFiles - 1, tableHash.partitions.size());
+ for (ImmutableBytesWritable bytes : tableHash.partitions) {
+ LOG.debug("partition: " + Bytes.toInt(bytes.get()));
+ }
+
+ ImmutableMap<Integer, ImmutableBytesWritable> expectedHashes
+ = ImmutableMap.<Integer, ImmutableBytesWritable>builder()
+ .put(-1, new ImmutableBytesWritable(Bytes.fromHex("714cb10a9e3b5569852980edd8c6ca2f")))
+ .put(5, new ImmutableBytesWritable(Bytes.fromHex("28d961d9252ce8f8d44a07b38d3e1d96")))
+ .put(10, new ImmutableBytesWritable(Bytes.fromHex("f6bbc4a224d8fd929b783a92599eaffa")))
+ .put(15, new ImmutableBytesWritable(Bytes.fromHex("522deb5d97f73a414ecc11457be46881")))
+ .put(20, new ImmutableBytesWritable(Bytes.fromHex("b026f2611aaa46f7110116d807545352")))
+ .put(25, new ImmutableBytesWritable(Bytes.fromHex("39ffc1a3094aa12a2e90ffd9cef2ce93")))
+ .put(30, new ImmutableBytesWritable(Bytes.fromHex("f6b4d75727ce9a30ac29e4f08f601666")))
+ .put(35, new ImmutableBytesWritable(Bytes.fromHex("422e2d2f1eb79a8f02171a705a42c090")))
+ .put(40, new ImmutableBytesWritable(Bytes.fromHex("559ad61c900fffefea0a15abf8a97bc3")))
+ .put(45, new ImmutableBytesWritable(Bytes.fromHex("23019084513eca41cee436b2a29611cb")))
+ .put(50, new ImmutableBytesWritable(Bytes.fromHex("b40467d222ddb4949b142fe145ee9edc")))
+ .put(55, new ImmutableBytesWritable(Bytes.fromHex("372bf89fcd8ca4b7ab3c1add9d07f7e4")))
+ .put(60, new ImmutableBytesWritable(Bytes.fromHex("69ae0585e6255de27dce974e332b8f8b")))
+ .put(65, new ImmutableBytesWritable(Bytes.fromHex("8029610044297aad0abdbecd485d8e59")))
+ .put(70, new ImmutableBytesWritable(Bytes.fromHex("de5f784f7f78987b6e57ecfd81c8646f")))
+ .put(75, new ImmutableBytesWritable(Bytes.fromHex("1cd757cc4e1715c8c3b1c24447a1ec56")))
+ .put(80, new ImmutableBytesWritable(Bytes.fromHex("f9a53aacfeb6142b08066615e7038095")))
+ .put(85, new ImmutableBytesWritable(Bytes.fromHex("89b872b7e639df32d3276b33928c0c91")))
+ .put(90, new ImmutableBytesWritable(Bytes.fromHex("45eeac0646d46a474ea0484175faed38")))
+ .put(95, new ImmutableBytesWritable(Bytes.fromHex("f57c447e32a08f4bf1abb2892839ac56")))
+ .build();
+
+ Map<Integer, ImmutableBytesWritable> actualHashes = new HashMap<>();
+ Path dataDir = new Path(testDir, HashTable.HASH_DATA_DIR);
+ for (int i = 0; i < numHashFiles; i++) {
+ Path hashPath = new Path(dataDir, HashTable.TableHash.getDataFileName(i));
+
+ MapFile.Reader reader = new MapFile.Reader(hashPath, fs.getConf());
+ ImmutableBytesWritable key = new ImmutableBytesWritable();
+ ImmutableBytesWritable hash = new ImmutableBytesWritable();
+ while(reader.next(key, hash)) {
+ String keyString = Bytes.toHex(key.get(), key.getOffset(), key.getLength());
+ LOG.debug("Key: " + (keyString.isEmpty() ? "-1" : Integer.parseInt(keyString, 16))
+ + " Hash: " + Bytes.toHex(hash.get(), hash.getOffset(), hash.getLength()));
+
+ int intKey = -1;
+ if (key.getLength() > 0) {
+ intKey = Bytes.toInt(key.get(), key.getOffset(), key.getLength());
+ }
+ if (actualHashes.containsKey(intKey)) {
+ Assert.fail("duplicate key in data files: " + intKey);
+ }
+ actualHashes.put(intKey, new ImmutableBytesWritable(hash.copyBytes()));
+ }
+ reader.close();
+ }
+
+ FileStatus[] files = fs.listStatus(testDir);
+ for (FileStatus file : files) {
+ LOG.debug("Output file: " + file.getPath());
+ }
+
+ files = fs.listStatus(dataDir);
+ for (FileStatus file : files) {
+ LOG.debug("Data file: " + file.getPath());
+ }
+
+ if (!expectedHashes.equals(actualHashes)) {
+ LOG.error("Diff: " + Maps.difference(expectedHashes, actualHashes));
+ }
+ Assert.assertEquals(expectedHashes, actualHashes);
+
+ TEST_UTIL.deleteTable(tableName);
+ TEST_UTIL.cleanupDataTestDirOnTestFS();
+ }
+
+
+}