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From Apache Wiki <wikidi...@apache.org>
Subject [Hama Wiki] Update of "GroomServer" by ChiaHungLin
Date Thu, 10 Oct 2013 10:02:25 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hama Wiki" for change notification.

The "GroomServer" page has been changed by ChiaHungLin:

  == Introduction ==
- GroomServer manages Tasks by spawning new Java processes. This fault isolation mitigates
the problem when tasks process fails. In addition, GroomServer periodically reports task status
back to [[BSPMaster|BSPMaster]]. 
+ GroomServer is a process whose main responsibility is to manage bsp tasks. In addition to
task management, GroomServer collaborates with BSPMaster so that job execution can be done
correctly. Some works GroomServer performs in communicating with BSPMaster include:
+  * Registration: enroll itself to BSPMaster by GroomServerStatus.
+  * Task Report: periodically report tasks status back BSPMaster.
- === State Diagram ===
+ == State Diagram ==
  GroomServer state includes 
   * NORMAL: Everything works fine.

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