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

使用JobTracker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JobTracker的使用

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

限定符和类型	方法和说明
static JobTracker	JobTracker.startTracker(JobConf conf) Start the JobTracker with given configuration.
static JobTracker	JobTracker.startTracker(JobConf conf, String identifier)
static JobTracker	JobTracker.startTracker(JobConf conf, String identifier, boolean initialize)

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

限定符和类型	方法和说明
static void	JobHistory.init(JobTracker jobTracker, JobConf conf, String hostname, long jobTrackerStartTime) Initialize JobHistory files.

参数类型为JobTracker的org.apache.hadoop.mapred中的构造器

构造器和说明
HDFSMonitorThread(Configuration conf, JobTracker jt, FileSystem fs)
JobInProgress(JobID jobid, JobConf conf, JobTracker tracker) Create an almost empty JobInProgress, which can be used only for tests