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The "Task" page has been changed by ChiaHungLin: https://wiki.apache.org/hama/Task New page: <<TableOfContents(5)>> == Task == A task contain partial [[JobInformation|job information]] such as data split, etc. in order to accomplish a job. == Phase == A ''single'' task phase. * STARTING: Initial phase * COMPUTE: Within bsp() * BARRIER_SYNC: Reaching sync(). * CLEANUP: Finish entire supersteps execution. {{attachment:task_phase.png}} == State == This only indicate ''a'' task state. * UNASSIGNED: Initial state of a task. * RUNNING: Only valid when a task is either in '''COMPUTE''' or in '''BARRIER_SYNC''' phase. * SUCCEEDED: A task ''completes'' its execution at the end of '''CLEANUP''' phase. * FAILED: An '''exception''' or an '''error''' occurrs. * KILLED {{attachment:task_state.png}}
