本文整理汇总了Java中org.apache.hadoop.mapred.gridmix.SleepJob.SleepReducer.setup方法的典型用法代码示例。如果您正苦于以下问题:Java SleepReducer.setup方法的具体用法?Java SleepReducer.setup怎么用?Java SleepReducer.setup使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.mapred.gridmix.SleepJob.SleepReducer
的用法示例。
在下文中一共展示了SleepReducer.setup方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testSleepReducer
import org.apache.hadoop.mapred.gridmix.SleepJob.SleepReducer; //导入方法依赖的package包/类
@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());
}
示例2: testSleepReducer
import org.apache.hadoop.mapred.gridmix.SleepJob.SleepReducer; //导入方法依赖的package包/类
@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());
}