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.
|
org.apache.hadoop.mapreduce.server.jobtracker |
Modifier and Type | Method and Description |
---|---|
JobTracker |
JobTrackerHADaemon.getJobTracker() |
static JobTracker |
JobTracker.startTracker(JobConf conf)
Start the JobTracker with given configuration.
|
static JobTracker |
JobTracker.startTracker(JobConf conf,
java.lang.String identifier) |
Modifier and Type | Method and Description |
---|---|
static void |
JobHistory.init(JobTracker jobTracker,
JobConf conf,
java.lang.String hostname,
long jobTrackerStartTime)
Initialize JobHistory files.
|
Constructor and Description |
---|
JobInProgress(JobID jobid,
JobConf conf,
JobTracker tracker)
Create an almost empty JobInProgress, which can be used only for tests
|
TaskInProgress(JobID jobid,
java.lang.String jobFile,
int numMaps,
int partition,
JobTracker jobtracker,
JobConf conf,
JobInProgress job,
int numSlotsRequired)
Constructor for ReduceTask
|
TaskInProgress(JobID jobid,
java.lang.String jobFile,
JobSplit.TaskSplitMetaInfo split,
JobTracker jobtracker,
JobConf conf,
JobInProgress job,
int partition,
int numSlotsRequired)
Constructor for MapTask
|
Modifier and Type | Method and Description |
---|---|
void |
JobTrackerJspHelper.generateSummaryTable(javax.servlet.jsp.JspWriter out,
JobTracker tracker)
Generates an XML-formatted block that summarizes the state of the JobTracker.
|
Copyright © 2009 The Apache Software Foundation