@SuppressWarnings({"rawtypes", "unchecked"}) @Test (timeout=10000) public void testLoadMapper() throws Exception { Configuration conf = new Configuration(); conf.setInt(JobContext.NUM_REDUCES, 2); CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true); conf.setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, true); TaskAttemptID taskId = new TaskAttemptID(); RecordReader<NullWritable, GridmixRecord> reader = new FakeRecordReader(); LoadRecordGkGrWriter writer = new LoadRecordGkGrWriter(); OutputCommitter committer = new CustomOutputCommitter(); StatusReporter reporter = new TaskAttemptContextImpl.DummyReporter(); LoadSplit split = getLoadSplit(); MapContext<NullWritable, GridmixRecord, GridmixKey, GridmixRecord> mapContext = new MapContextImpl<NullWritable, GridmixRecord, GridmixKey, GridmixRecord>( conf, taskId, reader, writer, committer, reporter, split); // context Context ctx = new WrappedMapper<NullWritable, GridmixRecord, GridmixKey, GridmixRecord>() .getMapContext(mapContext); reader.initialize(split, ctx); ctx.getConfiguration().setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, true); CompressionEmulationUtil.setCompressionEmulationEnabled( ctx.getConfiguration(), true); LoadJob.LoadMapper mapper = new LoadJob.LoadMapper(); // setup, map, clean mapper.run(ctx); Map<GridmixKey, GridmixRecord> data = writer.getData(); // check result assertEquals(2, data.size()); }
@SuppressWarnings({"unchecked", "rawtypes"}) @Test (timeout=30000) public void testSleepMapper() throws Exception { SleepJob.SleepMapper test = new SleepJob.SleepMapper(); Configuration conf = new Configuration(); conf.setInt(JobContext.NUM_REDUCES, 2); CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true); conf.setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, true); TaskAttemptID taskId = new TaskAttemptID(); FakeRecordLLReader reader = new FakeRecordLLReader(); LoadRecordGkNullWriter writer = new LoadRecordGkNullWriter(); OutputCommitter committer = new CustomOutputCommitter(); StatusReporter reporter = new TaskAttemptContextImpl.DummyReporter(); SleepSplit split = getSleepSplit(); MapContext<LongWritable, LongWritable, GridmixKey, NullWritable> mapcontext = new MapContextImpl<LongWritable, LongWritable, GridmixKey, NullWritable>( conf, taskId, reader, writer, committer, reporter, split); Context context = new WrappedMapper<LongWritable, LongWritable, GridmixKey, NullWritable>() .getMapContext(mapcontext); long start = System.currentTimeMillis(); LOG.info("start:" + start); LongWritable key = new LongWritable(start + 2000); LongWritable value = new LongWritable(start + 2000); // should slip 2 sec test.map(key, value, context); LOG.info("finish:" + System.currentTimeMillis()); assertTrue(System.currentTimeMillis() >= (start + 2000)); test.cleanup(context); assertEquals(1, writer.getData().size()); }
@SuppressWarnings({"unchecked", "rawtypes"}) @Test (timeout=10000) public void testSleepMapper() throws Exception { SleepJob.SleepMapper test = new SleepJob.SleepMapper(); Configuration conf = new Configuration(); conf.setInt(JobContext.NUM_REDUCES, 2); CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true); conf.setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, true); TaskAttemptID taskId = new TaskAttemptID(); FakeRecordLLReader reader = new FakeRecordLLReader(); LoadRecordGkNullWriter writer = new LoadRecordGkNullWriter(); OutputCommitter committer = new CustomOutputCommitter(); StatusReporter reporter = new TaskAttemptContextImpl.DummyReporter(); SleepSplit split = getSleepSplit(); MapContext<LongWritable, LongWritable, GridmixKey, NullWritable> mapcontext = new MapContextImpl<LongWritable, LongWritable, GridmixKey, NullWritable>( conf, taskId, reader, writer, committer, reporter, split); Context context = new WrappedMapper<LongWritable, LongWritable, GridmixKey, NullWritable>() .getMapContext(mapcontext); long start = System.currentTimeMillis(); LOG.info("start:" + start); LongWritable key = new LongWritable(start + 2000); LongWritable value = new LongWritable(start + 2000); // should slip 2 sec test.map(key, value, context); LOG.info("finish:" + System.currentTimeMillis()); assertTrue(System.currentTimeMillis() >= (start + 2000)); test.cleanup(context); assertEquals(1, writer.getData().size()); }
@Test (timeout=3000) public void testLoadJobLoadReducer() throws Exception { LoadJob.LoadReducer test = new LoadJob.LoadReducer(); Configuration conf = new Configuration(); conf.setInt(JobContext.NUM_REDUCES, 2); CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true); conf.setBoolean(FileOutputFormat.COMPRESS, true); CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true); conf.setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, true); TaskAttemptID taskid = new TaskAttemptID(); RawKeyValueIterator input = new FakeRawKeyValueIterator(); Counter counter = new GenericCounter(); Counter inputValueCounter = new GenericCounter(); LoadRecordWriter output = new LoadRecordWriter(); OutputCommitter committer = new CustomOutputCommitter(); StatusReporter reporter = new DummyReporter(); RawComparator<GridmixKey> comparator = new FakeRawComparator(); ReduceContext<GridmixKey, GridmixRecord, NullWritable, GridmixRecord> reduceContext = new ReduceContextImpl<GridmixKey, GridmixRecord, NullWritable, GridmixRecord>( conf, taskid, input, counter, inputValueCounter, output, committer, reporter, comparator, GridmixKey.class, GridmixRecord.class); // read for previous data reduceContext.nextKeyValue(); org.apache.hadoop.mapreduce.Reducer<GridmixKey, GridmixRecord, NullWritable, GridmixRecord>.Context context = new WrappedReducer<GridmixKey, GridmixRecord, NullWritable, GridmixRecord>() .getReducerContext(reduceContext); // test.setup(context); test.run(context); // have been readed 9 records (-1 for previous) assertEquals(9, counter.getValue()); assertEquals(10, inputValueCounter.getValue()); assertEquals(1, output.getData().size()); GridmixRecord record = output.getData().values().iterator() .next(); assertEquals(1593, record.getSize()); }
@Test (timeout=3000) public void testSleepReducer() throws Exception { Configuration conf = new Configuration(); conf.setInt(JobContext.NUM_REDUCES, 2); CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true); conf.setBoolean(FileOutputFormat.COMPRESS, true); CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true); conf.setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, true); TaskAttemptID taskId = new TaskAttemptID(); RawKeyValueIterator input = new FakeRawKeyValueReducerIterator(); Counter counter = new GenericCounter(); Counter inputValueCounter = new GenericCounter(); RecordWriter<NullWritable, NullWritable> output = new LoadRecordReduceWriter(); OutputCommitter committer = new CustomOutputCommitter(); StatusReporter reporter = new DummyReporter(); RawComparator<GridmixKey> comparator = new FakeRawComparator(); ReduceContext<GridmixKey, NullWritable, NullWritable, NullWritable> reducecontext = new ReduceContextImpl<GridmixKey, NullWritable, NullWritable, NullWritable>( conf, taskId, input, counter, inputValueCounter, output, committer, reporter, comparator, GridmixKey.class, NullWritable.class); org.apache.hadoop.mapreduce.Reducer<GridmixKey, NullWritable, NullWritable, NullWritable>.Context context = new WrappedReducer<GridmixKey, NullWritable, NullWritable, NullWritable>() .getReducerContext(reducecontext); SleepReducer test = new SleepReducer(); long start = System.currentTimeMillis(); test.setup(context); long sleeper = context.getCurrentKey().getReduceOutputBytes(); // status has been changed assertEquals("Sleeping... " + sleeper + " ms left", context.getStatus()); // should sleep 0.9 sec assertTrue(System.currentTimeMillis() >= (start + sleeper)); test.cleanup(context); // status has been changed again assertEquals("Slept for " + sleeper, context.getStatus()); }
@Test (timeout=1000) public void testLoadJobLoadReducer() throws Exception { LoadJob.LoadReducer test = new LoadJob.LoadReducer(); Configuration conf = new Configuration(); conf.setInt(JobContext.NUM_REDUCES, 2); CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true); conf.setBoolean(FileOutputFormat.COMPRESS, true); CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true); conf.setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, true); TaskAttemptID taskid = new TaskAttemptID(); RawKeyValueIterator input = new FakeRawKeyValueIterator(); Counter counter = new GenericCounter(); Counter inputValueCounter = new GenericCounter(); LoadRecordWriter output = new LoadRecordWriter(); OutputCommitter committer = new CustomOutputCommitter(); StatusReporter reporter = new DummyReporter(); RawComparator<GridmixKey> comparator = new FakeRawComparator(); ReduceContext<GridmixKey, GridmixRecord, NullWritable, GridmixRecord> reduceContext = new ReduceContextImpl<GridmixKey, GridmixRecord, NullWritable, GridmixRecord>( conf, taskid, input, counter, inputValueCounter, output, committer, reporter, comparator, GridmixKey.class, GridmixRecord.class); // read for previous data reduceContext.nextKeyValue(); org.apache.hadoop.mapreduce.Reducer<GridmixKey, GridmixRecord, NullWritable, GridmixRecord>.Context context = new WrappedReducer<GridmixKey, GridmixRecord, NullWritable, GridmixRecord>() .getReducerContext(reduceContext); // test.setup(context); test.run(context); // have been readed 9 records (-1 for previous) assertEquals(9, counter.getValue()); assertEquals(10, inputValueCounter.getValue()); assertEquals(1, output.getData().size()); GridmixRecord record = output.getData().values().iterator() .next(); assertEquals(1593, record.getSize()); }
@Test (timeout=1000) public void testSleepReducer() throws Exception { Configuration conf = new Configuration(); conf.setInt(JobContext.NUM_REDUCES, 2); CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true); conf.setBoolean(FileOutputFormat.COMPRESS, true); CompressionEmulationUtil.setCompressionEmulationEnabled(conf, true); conf.setBoolean(MRJobConfig.MAP_OUTPUT_COMPRESS, true); TaskAttemptID taskId = new TaskAttemptID(); RawKeyValueIterator input = new FakeRawKeyValueReducerIterator(); Counter counter = new GenericCounter(); Counter inputValueCounter = new GenericCounter(); RecordWriter<NullWritable, NullWritable> output = new LoadRecordReduceWriter(); OutputCommitter committer = new CustomOutputCommitter(); StatusReporter reporter = new DummyReporter(); RawComparator<GridmixKey> comparator = new FakeRawComparator(); ReduceContext<GridmixKey, NullWritable, NullWritable, NullWritable> reducecontext = new ReduceContextImpl<GridmixKey, NullWritable, NullWritable, NullWritable>( conf, taskId, input, counter, inputValueCounter, output, committer, reporter, comparator, GridmixKey.class, NullWritable.class); org.apache.hadoop.mapreduce.Reducer<GridmixKey, NullWritable, NullWritable, NullWritable>.Context context = new WrappedReducer<GridmixKey, NullWritable, NullWritable, NullWritable>() .getReducerContext(reducecontext); SleepReducer test = new SleepReducer(); long start = System.currentTimeMillis(); test.setup(context); long sleeper = context.getCurrentKey().getReduceOutputBytes(); // status has been changed assertEquals("Sleeping... " + sleeper + " ms left", context.getStatus()); // should sleep 0.9 sec assertTrue(System.currentTimeMillis() >= (start + sleeper)); test.cleanup(context); // status has been changed again assertEquals("Slept for " + sleeper, context.getStatus()); }
