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

使用JobInProgress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.mapreduce.server.jobtracker

org.apache.hadoop.mapred中JobInProgress的使用

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

限定符和类型	方法和说明
JobInProgress	JobTracker.getJob(JobID jobid)

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

限定符和类型	方法和说明
Vector<JobInProgress>	JobTracker.completedJobs()
Vector<JobInProgress>	JobTracker.failedJobs()
List<JobInProgress>	JobTracker.getRunningJobs() Version that is called from a timer thread, and therefore needs to be careful to synchronize.
Vector<JobInProgress>	JobTracker.runningJobs()

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

限定符和类型	方法和说明
void	JobTracker.failJob(JobInProgress job) Fail a job and inform the listeners.
void	JobTracker.initJob(JobInProgress job)

org.apache.hadoop.mapreduce.server.jobtracker中JobInProgress的使用

返回JobInProgress的org.apache.hadoop.mapreduce.server.jobtracker中的方法

限定符和类型	方法和说明
JobInProgress	TaskTracker.getJobForFallowSlot(TaskType taskType) Get the JobInProgress for which the fallow slot(s) are held.

参数类型为JobInProgress的org.apache.hadoop.mapreduce.server.jobtracker中的方法

限定符和类型	方法和说明
void	TaskTracker.reserveSlots(TaskType taskType, JobInProgress job, int numSlots) Reserve specified number of slots for a given job.
void	TaskTracker.unreserveSlots(TaskType taskType, JobInProgress job) Free map slots on this TaskTracker which were reserved for taskType.