本文整理汇总了Java中org.apache.hadoop.mapreduce.v2.app.MRApp.stop方法的典型用法代码示例。如果您正苦于以下问题：Java MRApp.stop方法的具体用法？Java MRApp.stop怎么用？Java MRApp.stop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.mapreduce.v2.app.MRApp的用法示例。
在下文中一共展示了MRApp.stop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: testSlowNM
import org.apache.hadoop.mapreduce.v2.app.MRApp; //导入方法依赖的package包/类
@Test(timeout = 15000)
public void testSlowNM() throws Exception {
conf = new Configuration();
int maxAttempts = 1;
conf.setInt(MRJobConfig.MAP_MAX_ATTEMPTS, maxAttempts);
conf.setBoolean(MRJobConfig.JOB_UBERTASK_ENABLE, false);
// set timeout low for the test
conf.setInt("yarn.rpc.nm-command-timeout", 3000);
conf.set(YarnConfiguration.IPC_RPC_IMPL, HadoopYarnProtoRPC.class.getName());
YarnRPC rpc = YarnRPC.create(conf);
String bindAddr = "localhost:0";
InetSocketAddress addr = NetUtils.createSocketAddr(bindAddr);
NMTokenSecretManagerInNM tokenSecretManager =
new NMTokenSecretManagerInNM();
MasterKey masterKey = Records.newRecord(MasterKey.class);
masterKey.setBytes(ByteBuffer.wrap("key".getBytes()));
tokenSecretManager.setMasterKey(masterKey);
conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION,
"token");
server =
rpc.getServer(ContainerManagementProtocol.class,
new DummyContainerManager(), addr, conf, tokenSecretManager, 1);
server.start();
MRApp app = new MRAppWithSlowNM(tokenSecretManager);
try {
Job job = app.submit(conf);
app.waitForState(job, JobState.RUNNING);
Map<TaskId, Task> tasks = job.getTasks();
Assert.assertEquals("Num tasks is not correct", 1, tasks.size());
Task task = tasks.values().iterator().next();
app.waitForState(task, TaskState.SCHEDULED);
Map<TaskAttemptId, TaskAttempt> attempts = tasks.values().iterator()
.next().getAttempts();
Assert.assertEquals("Num attempts is not correct", maxAttempts,
attempts.size());
TaskAttempt attempt = attempts.values().iterator().next();
app.waitForInternalState((TaskAttemptImpl) attempt,
TaskAttemptStateInternal.ASSIGNED);
app.waitForState(job, JobState.FAILED);
String diagnostics = attempt.getDiagnostics().toString();
LOG.info("attempt.getDiagnostics: " + diagnostics);
Assert.assertTrue(diagnostics.contains("Container launch failed for "
+ "container_0_0000_01_000000 : "));
Assert
.assertTrue(diagnostics
.contains("java.net.SocketTimeoutException: 3000 millis timeout while waiting for channel"));
} finally {
server.stop();
app.stop();
}
}
示例2: testUnregistrationOnlyIfRegistered
import org.apache.hadoop.mapreduce.v2.app.MRApp; //导入方法依赖的package包/类
@Test
public void testUnregistrationOnlyIfRegistered() throws Exception {
Configuration conf = new Configuration();
final MyResourceManager rm = new MyResourceManager(conf);
rm.start();
DrainDispatcher rmDispatcher =
(DrainDispatcher) rm.getRMContext().getDispatcher();
// Submit the application
RMApp rmApp = rm.submitApp(1024);
rmDispatcher.await();
MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 11264);
amNodeManager.nodeHeartbeat(true);
rmDispatcher.await();
final ApplicationAttemptId appAttemptId =
rmApp.getCurrentAppAttempt().getAppAttemptId();
rm.sendAMLaunched(appAttemptId);
rmDispatcher.await();
MRApp mrApp =
new MRApp(appAttemptId, ContainerId.newContainerId(appAttemptId, 0), 10,
0, false, this.getClass().getName(), true, 1) {
@Override
protected Dispatcher createDispatcher() {
return new DrainDispatcher();
}
protected ContainerAllocator createContainerAllocator(
ClientService clientService, AppContext context) {
return new MyContainerAllocator(rm, appAttemptId, context);
};
};
mrApp.submit(conf);
DrainDispatcher amDispatcher = (DrainDispatcher) mrApp.getDispatcher();
MyContainerAllocator allocator =
(MyContainerAllocator) mrApp.getContainerAllocator();
amDispatcher.await();
Assert.assertTrue(allocator.isApplicationMasterRegistered());
mrApp.stop();
Assert.assertTrue(allocator.isUnregistered());
}