Uses of Class org.apache.hadoop.mapred.JobID (Hadoop 0.20.2+737 API)
Date: 2010-10-11

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## Uses of Class
org.apache.hadoop.mapred.JobID

Packages that use JobID
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.jobcontrol | Utilities for managing dependent jobs.
org.apache.hadoop.streaming | `Hadoop Streaming` is a utility which allows users to create and run Map-Reduce jobs with any executables (e.g.

Uses of JobID in org.apache.hadoop.mapred

Methods in org.apache.hadoop.mapred that return JobID
`static JobID` | `JobID.downgrade(JobID old)` Deprecated. Downgrade a new JobID to an old one
`static JobID` | `JobID.forName(String str)` Deprecated. Construct a JobId object from given string
`JobID` | `RunningJob.getID()` Get the job identifier.
`JobID` | `Task.getJobID()` Get the job name for this task.
`JobID` | `TaskAttemptID.getJobID()` Deprecated.
`JobID` | `TaskID.getJobID()` Deprecated.
`JobID` | `JobStatus.getJobID()`
`JobID` | `JobInProgress.getJobID()`
`JobID` | `JobProfile.getJobID()` Get the job id.
`JobID` | `JobTracker.getNewJobId()` Allocates a new JobId string.
`static JobID` | `JobID.read(DataInput in)` Deprecated.

Methods in org.apache.hadoop.mapred with parameters of type JobID
`void` | `JobClient.displayTasks(JobID jobId, String type, String state)` Display the information about a job's tasks, of a particular type and in a particular state
`TaskReport[]` | `JobClient.getCleanupTaskReports(JobID jobId)` Get the information of the current state of the cleanup tasks of a job.
`TaskReport[]` | `JobTracker.getCleanupTaskReports(JobID jobid)`
`static String` | `JobHistory.getHistoryFilePath(JobID jobId)` Given the job id, return the history file path from the cache
`RunningJob` | `JobClient.getJob(JobID jobid)` Get an `RunningJob` object to track an ongoing job.
`JobInProgress` | `JobTracker.getJob(JobID jobid)`
`Counters` | `JobTracker.getJobCounters(JobID jobid)`
`static String` | `JobHistory.JobInfo.getJobHistoryFileName(JobConf jobConf, JobID id)` Recover the job history filename from the history folder.
`JobProfile` | `JobTracker.getJobProfile(JobID jobid)`
`JobStatus` | `JobTracker.getJobStatus(JobID jobid)`
`static String` | `JobTracker.getLocalJobFilePath(JobID jobId)` Get the localized job file path on the job trackers local file system
`static String` | `JobHistory.JobInfo.getLocalJobFilePath(JobID jobId)` Get the path of the locally stored job file
`MapTaskCompletionEventsUpdate` | `TaskTracker.getMapCompletionEvents(JobID jobId, int fromEventId, int maxLocs, TaskAttemptID id)`
`MapTaskCompletionEventsUpdate` | `TaskUmbilicalProtocol.getMapCompletionEvents(JobID jobId, int fromIndex, int maxLocs, TaskAttemptID id)` Called by a reduce task to get the map output locations for finished maps.
`TaskReport[]` | `JobClient.getMapTaskReports(JobID jobId)` Get the information of the current state of the map tasks of a job.
`TaskReport[]` | `JobTracker.getMapTaskReports(JobID jobid)`
`TaskReport[]` | `JobClient.getReduceTaskReports(JobID jobId)` Get the information of the current state of the reduce tasks of a job.
`TaskReport[]` | `JobTracker.getReduceTaskReports(JobID jobid)`
`TaskReport[]` | `JobClient.getSetupTaskReports(JobID jobId)` Get the information of the current state of the setup tasks of a job.
`TaskReport[]` | `JobTracker.getSetupTaskReports(JobID jobid)`
`TaskCompletionEvent[]` | `JobTracker.getTaskCompletionEvents(JobID jobid, int fromEventId, int maxEvents)`
`void` | `Task.initialize(JobConf job, JobID id, Reporter reporter, boolean useNewApi)`
`void` | `JobTracker.killJob(JobID jobid)`
`static void` | `JobHistory.JobInfo.logFailed(JobID jobid, long timestamp, int finishedMaps, int finishedReduces)` Logs job failed event.
`static void` | `JobHistory.JobInfo.logFinished(JobID jobId, long finishTime, int finishedMaps, int finishedReduces, int failedMaps, int failedReduces, Counters mapCounters, Counters reduceCounters, Counters counters)` Log job finished.
`static void` | `JobHistory.JobInfo.logInited(JobID jobId, long startTime, int totalMaps, int totalReduces)` Logs launch time of job.
`static void` | `JobHistory.JobInfo.logJobInfo(JobID jobid, long submitTime, long launchTime)`
`static void` | `JobHistory.JobInfo.logJobInfo(JobID jobid, long submitTime, long launchTime, int restartCount)` Deprecated. Use `JobHistory.JobInfo.logJobInfo(JobID, long, long)` instead.
`static void` | `JobHistory.JobInfo.logJobPriority(JobID jobid, JobPriority priority)` Log job's priority.
`static void` | `JobHistory.JobInfo.logKilled(JobID jobid, long timestamp, int finishedMaps, int finishedReduces)` Logs job killed event.
`static void` | `JobHistory.JobInfo.logStarted(JobID jobId)` Logs job as running
`static void` | `JobHistory.JobInfo.logStarted(JobID jobId, long startTime, int totalMaps, int totalReduces)` Deprecated. Use `JobHistory.JobInfo.logInited(JobID, long, int, int)` and `JobHistory.JobInfo.logStarted(JobID)`
`static void` | `JobHistory.JobInfo.logSubmitted(JobID jobId, JobConf jobConf, String jobConfPath, long submitTime)` Deprecated. Use `JobHistory.JobInfo.logSubmitted(JobID, JobConf, String, long, boolean)` instead.
`static void` | `JobHistory.JobInfo.logSubmitted(JobID jobId, JobConf jobConf, String jobConfPath, long submitTime, boolean restarted)`
`void` | `JobTracker.setJobPriority(JobID jobid, String priority)`
`JobStatus` | `JobTracker.submitJob(JobID jobId, String jobSubmitDir, Credentials ts)` JobTracker.submitJob() kicks off a new job.

Constructors in org.apache.hadoop.mapred with parameters of type JobID
`JobInProgress(JobID jobid, JobConf conf, JobTracker tracker)` Create an almost empty JobInProgress, which can be used only for tests
`JobStatus(JobID jobid, float setupProgress, float mapProgress, float reduceProgress, float cleanupProgress, int runState, JobPriority jp)` Create a job status object for a given jobid.
`JobStatus(JobID jobid, float mapProgress, float reduceProgress, float cleanupProgress, int runState)` Create a job status object for a given jobid.
`JobStatus(JobID jobid, float mapProgress, float reduceProgress, float cleanupProgress, int runState, JobPriority jp)` Create a job status object for a given jobid.
`JobStatus(JobID jobid, float mapProgress, float reduceProgress, int runState)` Create a job status object for a given jobid.
`TaskInProgress(JobID jobid, String jobFile, int numMaps, int partition, JobTracker jobtracker, JobConf conf, JobInProgress job, int numSlotsRequired)` Constructor for ReduceTask
`TaskInProgress(JobID jobid, String jobFile, JobSplit.TaskSplitMetaInfo split, JobTracker jobtracker, JobConf conf, JobInProgress job, int partition, int numSlotsRequired)` Constructor for MapTask

Uses of JobID in org.apache.hadoop.mapred.jobcontrol

Methods in org.apache.hadoop.mapred.jobcontrol that return JobID
`JobID` | `Job.getAssignedJobID()`

Methods in org.apache.hadoop.mapred.jobcontrol with parameters of type JobID
`void` | `Job.setAssignedJobID(JobID mapredJobID)` Set the mapred ID for this job as assigned by the mapred framework.

Uses of JobID in org.apache.hadoop.streaming

Fields in org.apache.hadoop.streaming declared as JobID
`protected JobID` | `StreamJob.jobId_`

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