本文整理匯總了Java中org.apache.hadoop.mapreduce.TaskAttemptID.toString方法的典型用法代碼示例。如果您正苦於以下問題：Java TaskAttemptID.toString方法的具體用法？Java TaskAttemptID.toString怎麽用？Java TaskAttemptID.toString使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.hadoop.mapreduce.TaskAttemptID的用法示例。
在下文中一共展示了TaskAttemptID.toString方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: TaskAttemptStartedEvent
import org.apache.hadoop.mapreduce.TaskAttemptID; //導入方法依賴的package包/類
/**
* Create an event to record the start of an attempt
* @param attemptId Id of the attempt
* @param taskType Type of task
* @param startTime Start time of the attempt
* @param trackerName Name of the Task Tracker where attempt is running
* @param httpPort The port number of the tracker
* @param shufflePort The shuffle port number of the container
* @param containerId The containerId for the task attempt.
* @param locality The locality of the task attempt
* @param avataar The avataar of the task attempt
*/
public TaskAttemptStartedEvent( TaskAttemptID attemptId,
TaskType taskType, long startTime, String trackerName,
int httpPort, int shufflePort, ContainerId containerId,
String locality, String avataar) {
datum.attemptId = new Utf8(attemptId.toString());
datum.taskid = new Utf8(attemptId.getTaskID().toString());
datum.startTime = startTime;
datum.taskType = new Utf8(taskType.name());
datum.trackerName = new Utf8(trackerName);
datum.httpPort = httpPort;
datum.shufflePort = shufflePort;
datum.containerId = new Utf8(containerId.toString());
if (locality != null) {
datum.locality = new Utf8(locality);
}
if (avataar != null) {
datum.avataar = new Utf8(avataar);
}
}
示例2: cleanUpPartialOutputForTask
import org.apache.hadoop.mapreduce.TaskAttemptID; //導入方法依賴的package包/類
@Override
public void cleanUpPartialOutputForTask(TaskAttemptContext context)
throws IOException {
// we double check this is never invoked from a non-preemptable subclass.
// This should never happen, since the invoking codes is checking it too,
// but it is safer to double check. Errors handling this would produce
// inconsistent output.
if (!this.getClass().isAnnotationPresent(Checkpointable.class)) {
throw new IllegalStateException("Invoking cleanUpPartialOutputForTask() " +
"from non @Preemptable class");
}
FileSystem fs =
fsFor(getTaskAttemptPath(context), context.getConfiguration());
LOG.info("cleanUpPartialOutputForTask: removing everything belonging to " +
context.getTaskAttemptID().getTaskID() + " in: " +
getCommittedTaskPath(context).getParent());
final TaskAttemptID taid = context.getTaskAttemptID();
final TaskID tid = taid.getTaskID();
Path pCommit = getCommittedTaskPath(context).getParent();
// remove any committed output
for (int i = 0; i < taid.getId(); ++i) {
TaskAttemptID oldId = new TaskAttemptID(tid, i);
Path pTask = new Path(pCommit, oldId.toString());
if (fs.exists(pTask) && !fs.delete(pTask, true)) {
throw new IOException("Failed to delete " + pTask);
}
}
}