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From "ChiaHung Lin (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-503) Chainable computations for tault tolerance
Date Wed, 22 Feb 2012 14:11:53 GMT

    [ https://issues.apache.org/jira/browse/HAMA-503?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13213635#comment-13213635
] 

ChiaHung Lin commented on HAMA-503:
-----------------------------------

That looks good! The code is a bit verbose, but it seems unavoidable. 


                
> Chainable computations for tault tolerance
> ------------------------------------------
>
>                 Key: HAMA-503
>                 URL: https://issues.apache.org/jira/browse/HAMA-503
>             Project: Hama
>          Issue Type: Sub-task
>          Components: bsp
>    Affects Versions: 0.4.0
>            Reporter: Thomas Jungblut
>            Assignee: Thomas Jungblut
>             Fix For: 0.5.0
>
>         Attachments: HAMA-510.patch
>
>
> 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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