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Date: Wed, 6 May 2009 03:07:30 -0700 (PDT)
From: "Edward J. Yoon (JIRA)" <jira@apache.org>
To: hama-dev@incubator.apache.org
Subject: [jira] Updated: (HAMA-182) Seperate column families
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     [ https://issues.apache.org/jira/browse/HAMA-182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edward J. Yoon updated HAMA-182:
--------------------------------

    Attachment: columns.patch

Here's the patch. I'll check the performance and algorithms.

> Seperate column families
> ------------------------
>
>                 Key: HAMA-182
>                 URL: https://issues.apache.org/jira/browse/HAMA-182
>             Project: Hama
>          Issue Type: Improvement
>          Components: implementation
>    Affects Versions: 0.1.0
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.1.0
>
>         Attachments: columns.patch
>
>
> The all columns are stored in a single column family. I propose to separate column families by column index range so that we reduces I/O during column-based process. 

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