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From Apache Wiki <wikidi...@apache.org>
Subject [Hama Wiki] Trivial Update of "GroomServer" by ChiaHungLin
Date Sun, 20 Oct 2013 14:33:08 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:
https://wiki.apache.org/hama/GroomServer?action=diff&rev1=6&rev2=7

  
  {{attachment:groomserver_state.png|GroomServer state}}
  
+ 
+ == Task Management ==
+ 
+ The GroomServer
+ 
+  * receives instructions from [[BSPMaste|BSPMasters]]. 
+  * spawns one or more tasks as separated jvm processes where tasks are then executed. 
+  * monitors spawned processes via ''ping''; when a task is 
+   * out of contact (failure/ crashed): launch a new process and restart the task with '''max
attempt''' set to '''3'''
+   * exceeding '''max attempt''': update task status/ notify [[BSPMaster|BSPMasters]]
+  * sends heartbeat to [[BSPMaster|BSPMasters]]
+ 
+  
+ 

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