本文整理汇总了Java中org.apache.hadoop.mapreduce.v2.util.MRApps.setupDistributedCacheLocal方法的典型用法代码示例。如果您正苦于以下问题:Java MRApps.setupDistributedCacheLocal方法的具体用法?Java MRApps.setupDistributedCacheLocal怎么用?Java MRApps.setupDistributedCacheLocal使用的例子?那么, 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.util.MRApps
的用法示例。
在下文中一共展示了MRApps.setupDistributedCacheLocal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: serviceStart
import org.apache.hadoop.mapreduce.v2.util.MRApps; //导入方法依赖的package包/类
@Override
protected void serviceStart() throws Exception {
if (job.isUber()) {
MRApps.setupDistributedCacheLocal(getConfig());
this.containerAllocator = new LocalContainerAllocator(
this.clientService, this.context, nmHost, nmPort, nmHttpPort
, containerID);
} else {
this.containerAllocator = new RMContainerAllocator(
this.clientService, this.context);
}
((Service)this.containerAllocator).init(getConfig());
((Service)this.containerAllocator).start();
super.serviceStart();
}
示例2: configureTask
import org.apache.hadoop.mapreduce.v2.util.MRApps; //导入方法依赖的package包/类
private static void configureTask(JobConf job, Task task,
Credentials credentials, Token<JobTokenIdentifier> jt) throws IOException {
job.setCredentials(credentials);
ApplicationAttemptId appAttemptId =
ConverterUtils.toContainerId(
System.getenv(Environment.CONTAINER_ID.name()))
.getApplicationAttemptId();
LOG.debug("APPLICATION_ATTEMPT_ID: " + appAttemptId);
// Set it in conf, so as to be able to be used the the OutputCommitter.
job.setInt(MRJobConfig.APPLICATION_ATTEMPT_ID,
appAttemptId.getAttemptId());
// set tcp nodelay
job.setBoolean("ipc.client.tcpnodelay", true);
job.setClass(MRConfig.TASK_LOCAL_OUTPUT_CLASS,
YarnOutputFiles.class, MapOutputFile.class);
// set the jobToken and shuffle secrets into task
task.setJobTokenSecret(
JobTokenSecretManager.createSecretKey(jt.getPassword()));
byte[] shuffleSecret = TokenCache.getShuffleSecretKey(credentials);
if (shuffleSecret == null) {
LOG.warn("Shuffle secret missing from task credentials."
+ " Using job token secret as shuffle secret.");
shuffleSecret = jt.getPassword();
}
task.setShuffleSecret(
JobTokenSecretManager.createSecretKey(shuffleSecret));
// setup the child's MRConfig.LOCAL_DIR.
configureLocalDirs(task, job);
// setup the child's attempt directories
// Do the task-type specific localization
task.localizeConfiguration(job);
// Set up the DistributedCache related configs
MRApps.setupDistributedCacheLocal(job);
// Overwrite the localized task jobconf which is linked to in the current
// work-dir.
Path localTaskFile = new Path(MRJobConfig.JOB_CONF_FILE);
writeLocalJobFile(localTaskFile, job);
task.setJobFile(localTaskFile.toString());
task.setConf(job);
}