Package | Description |
---|---|
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.
|
Modifier and Type | Method and Description |
---|---|
static TaskID |
TaskID.downgrade(TaskID old)
Downgrade a new TaskID to an old one
|
static TaskID |
TaskID.forName(java.lang.String str) |
TaskID |
ReduceTask.ReduceCopier.MapOutputLocation.getTaskId() |
TaskID |
TaskAttemptID.getTaskID() |
TaskID |
TaskReport.getTaskID()
The id of the task.
|
TaskID |
TaskInProgress.getTIPId()
Return an ID for this task, not its component taskid-threads
|
static TaskID |
TaskID.read(java.io.DataInput in)
Deprecated.
|
Modifier and Type | Method and Description |
---|---|
org.apache.hadoop.fs.Path |
MapOutputFile.getInputFileForWrite(TaskID mapId,
long size)
Create a local reduce input file name.
|
TaskInProgress |
JobInProgress.getTaskInProgress(TaskID tipid)
Return the TaskInProgress that matches the tipid.
|
TaskInProgress |
JobTracker.getTip(TaskID tipid)
Returns specified TaskInProgress, or null.
|
static void |
JobHistory.Task.logFailed(TaskID taskId,
java.lang.String taskType,
long time,
java.lang.String error)
Log job failed event.
|
static void |
JobHistory.Task.logFailed(TaskID taskId,
java.lang.String taskType,
long time,
java.lang.String error,
TaskAttemptID failedDueToAttempt) |
static void |
JobHistory.Task.logFinished(TaskID taskId,
java.lang.String taskType,
long finishTime,
Counters counters)
Log finish time of task.
|
static void |
JobHistory.Task.logStarted(TaskID taskId,
java.lang.String taskType,
long startTime,
java.lang.String splitLocations)
Log start time of task (TIP).
|
static void |
JobHistory.Task.logUpdates(TaskID taskId,
long finishTime)
Update the finish time of task.
|
Constructor and Description |
---|
ReduceTask.ReduceCopier.MapOutput(TaskID mapId,
TaskAttemptID mapAttemptId,
byte[] data,
int compressedLength) |
ReduceTask.ReduceCopier.MapOutput(TaskID mapId,
TaskAttemptID mapAttemptId,
org.apache.hadoop.conf.Configuration conf,
org.apache.hadoop.fs.Path file,
long size) |
TaskAttemptID(TaskID taskId,
int id)
Constructs a TaskAttemptID object from given
TaskID . |
Copyright © 2009 The Apache Software Foundation