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The "JobInformation" page has been changed by ChiaHungLin:
https://wiki.apache.org/hama/JobInformation?action=diff&rev1=17&rev2=18

  
  
  == Task Phase ==
-  * STARTING
-  * COMPUTE 
-  * BARRIER_SYNC
-  * CLEANUP
+ A ''single'' task phase.
+ 
+  * STARTING: Initial phase
+  * COMPUTE: Within bsp() 
+  * BARRIER_SYNC: Reaching sync().
+  * CLEANUP: Finish entire supersteps execution.
  {{attachment:task_phase.png}} 
  
  
  == Task State ==
-  * RUNNING
-  * SUCCEEDED
-  * FAILED
-  * UNASSIGNED
+ 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
  

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