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From "Suraj Menon (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HAMA-551) Add documentation to fault tolerant job processing
Date Wed, 18 Apr 2012 15:38:43 GMT

     [ https://issues.apache.org/jira/browse/HAMA-551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suraj Menon updated HAMA-551:
-----------------------------

    Comment: was deleted

(was: Reasons for HAMA-557 requirements are as followed in descending order of their importance:
1. Make checkpointing asynchronous. Would reduce the delay during sync. The checkpoint function
you mentioned would then be optional and could be used only if there is a need to sync with
the ending of checkpointing process for that superstep. The design would be similar to how
spilling is implemented in Hadoop.
2. Update BSPMaster with the checkpointing status of each task with superstep count and checkpoint
file. (We can live without this as we have a convention for naming checkpointing files)
3. Tighter integration of Checkpointer with MessageManager.

I would be putting up a design document for HAMA-551.  )
    
> Add documentation to fault tolerant job processing
> --------------------------------------------------
>
>                 Key: HAMA-551
>                 URL: https://issues.apache.org/jira/browse/HAMA-551
>             Project: Hama
>          Issue Type: Sub-task
>          Components: documentation 
>            Reporter: praveen sripati
>            Priority: Minor
>
> Add documentation to fault tolerant job processing

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