Job Information

A job in general holds some basic information, including:

• BSPJobID
• User id: See BSPJobContext.getUser() wherein configures via conf.get("user.name")
• Job file: The path to job.xml. See BSPJobClient.submitJobInternal()
• Job name: The name of this job.
• JobStatus: Mainly JobStatus.State
• superstepCount:
• StartTime
• FinishTime
• numBSPTasks: the number of BSP tasks to be launched.
• Tasks: Actual launched TaskInProgresses according to numBSPTasks.

TODO: An object that holds multiple tasks execution including successful/ failed/ current task

TODO: 2d array?

• • task id:
  • startTime: System.currentTimeMillis()
  • partition: the _i_th numBSPTasks
  • RawSplit: the _i_th RawSplit if RawSplit not null
  • SuccessfulTaskId: set when TaskInProgress.completed() is called. TODO: isSuccessful
  • currentTaskId:
  • TaskStatus:
    • Phase: STARTING, COMPUTE, BARRIER_SYNC, CLEANUP
    • State:
      

Job Status

A job status contains:

• PREP
• RUNNING
• SUCCEEDED
• FAILED
• KILLED