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Java SleepReducer.setup方法代码示例

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());

}
 
开发者ID:naver,项目名称:hadoop,代码行数:44,代码来源:TestGridMixClasses.java

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());

}
 
开发者ID:ict-carch,项目名称:hadoop-plus,代码行数:44,代码来源:TestGridMixClasses.java


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