[jira] Updated: (HAMA-144) GetProgress during MR over a matrix

["Samuel Guo (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HAMA-144?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Samuel Guo updated HAMA-144:
----------------------------

    Attachment: HAMA-144.patch

add *getProgress* method in VectorInputFormat's RecordReader.
so we can get detail progress information during processing matrix using VectorInputFormat.

> GetProgress during MR over a matrix
> -----------------------------------
>
>                 Key: HAMA-144
>                 URL: https://issues.apache.org/jira/browse/HAMA-144
>             Project: Hama
>          Issue Type: Improvement
>          Components: implementation
>            Reporter: Samuel Guo
>            Priority: Minor
>         Attachments: HAMA-144.patch
>
>
> Defaultly, we don't know how to get progress during MR over a HBase table.
> But in a matrix, the data are sorted by row-no. we know the rows of a split of a HBase table.
> we can compute *progress* by <no. row processed> / <total rows of the split>.
> And this is helpful that we can know the progress during blocking, multiplication and other operations.

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