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Posted to dev@hama.apache.org by "Edward J. Yoon (JIRA)" <ji...@apache.org> on 2012/12/17 12:26:12 UTC

[jira] [Commented] (HAMA-700) BSPPartitioner should be configurable to be optional and allow input format conversion

    [ https://issues.apache.org/jira/browse/HAMA-700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13533857#comment-13533857 ] 

Edward J. Yoon commented on HAMA-700:
-------------------------------------

Your approach is that, 1) writes converted record to a split, 2) and then each GraphJobRunner task just reads vertices from assigned split. So, there's no way to avoid writing every records to a files when the input is a table of NoSQL. Right? If so, this issue should be closed as a "won't fix".
                
> BSPPartitioner should be configurable to be optional and allow input format conversion
> --------------------------------------------------------------------------------------
>
>                 Key: HAMA-700
>                 URL: https://issues.apache.org/jira/browse/HAMA-700
>             Project: Hama
>          Issue Type: Improvement
>          Components: bsp core
>            Reporter: Suraj Menon
>            Assignee: Suraj Menon
>             Fix For: 0.6.1
>
>         Attachments: HAMA-700-v1.patch
>
>
> There should be a provisioning for skipping the PartitionRunner if needed. Also we can have a RecordConverter interface so that the PartitionRunner can read the input in any format and create new splits. 

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