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From "Thomas Jungblut (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HAMA-503) Chainable computations for tault tolerance
Date Sat, 04 Feb 2012 14:37:53 GMT
Chainable computations for tault tolerance
------------------------------------------

                 Key: HAMA-503
                 URL: https://issues.apache.org/jira/browse/HAMA-503
             Project: Hama
          Issue Type: Improvement
          Components: bsp
    Affects Versions: 0.4.0
            Reporter: Thomas Jungblut
             Fix For: 0.5.0


refactor bsp() in allowing checkpointed messages to be recovered. 

ChiaHung Lin had a fancy idea in chaining superstep class to make the whole recovering more
convenient and less error prone, or at least possible.

A user does not define a BSP anymore, instead he defines a single superstep inside of a computation
class. A user is able to chain these in a specific ordering. After each of this computation
the framework calls sync() and exchanges the messages.

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