本文整理汇总了Java中org.apache.hadoop.examples.SleepJob.run方法的典型用法代码示例。如果您正苦于以下问题:Java SleepJob.run方法的具体用法?Java SleepJob.run怎么用?Java SleepJob.run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.examples.SleepJob
的用法示例。
在下文中一共展示了SleepJob.run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: testSlots
import org.apache.hadoop.examples.SleepJob; //导入方法依赖的package包/类
@Test
public void testSlots() throws IOException {
MiniMRCluster mr = null;
try {
JobConf jtConf = new JobConf();
jtConf.set("mapred.tasktracker.instrumentation",
MyTaskTrackerMetricsInst.class.getName());
mr = new MiniMRCluster(1, "file:///", 1, null, null, jtConf);
MyTaskTrackerMetricsInst instr = (MyTaskTrackerMetricsInst)
mr.getTaskTrackerRunner(0).getTaskTracker()
.getTaskTrackerInstrumentation();
JobConf conf = mr.createJobConf();
SleepJob job = new SleepJob();
job.setConf(conf);
int numMapTasks = 3;
int numReduceTasks = 2;
job.run(numMapTasks, numReduceTasks, 1, 1, 1, 1);
synchronized (instr) {
// 5 regular tasks + 2 setup/cleanup tasks.
assertEquals(7, instr.complete);
assertEquals(7, instr.end);
assertEquals(7, instr.launch);
}
} finally {
if (mr != null) {
mr.shutdown();
}
}
}
示例2: testSlots
import org.apache.hadoop.examples.SleepJob; //导入方法依赖的package包/类
public void testSlots() throws IOException {
MiniMRCluster mr = null;
try {
JobConf jtConf = new JobConf();
jtConf.set("mapred.jobtracker.instrumentation",
MyJobTrackerMetricsInst.class.getName());
mr = new MiniMRCluster(2, "file:///", 3, null, null, jtConf);
MyJobTrackerMetricsInst instr = (MyJobTrackerMetricsInst)
mr.getJobTrackerRunner().getJobTracker().getInstrumentation();
JobConf conf = mr.createJobConf();
SleepJob job = new SleepJob();
job.setConf(conf);
int numMapTasks = 3;
int numReduceTasks = 2;
job.run(numMapTasks, numReduceTasks, 10000, 1, 10000, 1);
synchronized (instr) {
//after the job completes, incr and decr should be equal
assertEquals(instr.incrOccupiedMapSlots,
instr.decrOccupiedMapSlots);
assertEquals(instr.incrOccupiedReduceSlots,
instr.decrOccupiedReduceSlots);
assertEquals(instr.incrRunningMaps,
instr.decrRunningMaps);
assertEquals(instr.incrRunningReduces,
instr.decrRunningReduces);
assertEquals(instr.incrReservedMapSlots,
instr.decrReservedMapSlots);
assertEquals(instr.incrReservedReduceSlots,
instr.decrReservedReduceSlots);
//validate that atleast once the callbacks happened
assertTrue(instr.incrOccupiedMapSlots > 0);
assertTrue(instr.incrOccupiedReduceSlots > 0);
assertTrue(instr.incrRunningMaps > 0);
assertTrue(instr.incrRunningReduces > 0);
}
} finally {
if (mr != null) {
mr.shutdown();
}
}
}