类 org.apache.hadoop.mapred.TaskStatus
的使用

使用TaskStatus的程序包

程序包	说明
org.apache.hadoop.mapred	A software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) parallelly on large clusters (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant manner.

org.apache.hadoop.mapred中TaskStatus的使用

返回TaskStatus的org.apache.hadoop.mapred中的方法

限定符和类型	方法和说明
TaskStatus	JobInProgress.findFinishedMap(int mapId) Find the details of someplace where a map has finished

返回变量类型为TaskStatus的类型的org.apache.hadoop.mapred中的方法

限定符和类型	方法和说明
List<TaskStatus>	TaskTrackerStatus.getTaskReports() Get the current tasks at the TaskTracker.

参数类型为TaskStatus的org.apache.hadoop.mapred中的方法

限定符和类型	方法和说明
void	TaskUmbilicalProtocol.commitPending(TaskAttemptID taskId, TaskStatus taskStatus, org.apache.hadoop.mapred.JvmContext jvmContext) Report that the task is complete, but its commit is pending.
void	TaskTracker.commitPending(TaskAttemptID taskid, TaskStatus taskStatus, org.apache.hadoop.mapred.JvmContext jvmContext) Task is reporting that it is in commit_pending and it is waiting for the commit Response
boolean	JobInProgress.completedTask(org.apache.hadoop.mapred.TaskInProgress tip, TaskStatus status) A taskid assigned to this JobInProgress has reported in successfully.
boolean	TaskUmbilicalProtocol.statusUpdate(TaskAttemptID taskId, TaskStatus taskStatus, org.apache.hadoop.mapred.JvmContext jvmContext) Report child's progress to parent.
boolean	TaskTracker.statusUpdate(TaskAttemptID taskid, TaskStatus taskStatus, org.apache.hadoop.mapred.JvmContext jvmContext) Called periodically to report Task progress, from 0.0 to 1.0.
void	JobInProgress.updateTaskStatus(org.apache.hadoop.mapred.TaskInProgress tip, TaskStatus status) Assuming JobTracker is locked on entry.

类型变量类型为TaskStatus的org.apache.hadoop.mapred中的构造器参数

构造器和说明
TaskTrackerStatus(String trackerName, String host, int httpPort, List<TaskStatus> taskReports, int taskFailures, int dirFailures, int maxMapTasks, int maxReduceTasks)