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Date: Wed, 3 Jul 2013 16:56:20 +0000 (UTC)
From: "Martin Illecker (JIRA)" <jira@apache.org>
To: dev@hama.apache.org
Message-ID: <JIRA.12656065.1372870316123.206953.1372870580830@arcas>
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Subject: [jira] [Updated] (HAMA-774) CompositeInputFormat in Hama
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     [ https://issues.apache.org/jira/browse/HAMA-774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Illecker updated HAMA-774:
---------------------------------

    Attachment: HAMA-774.patch
    
> CompositeInputFormat in Hama
> ----------------------------
>
>                 Key: HAMA-774
>                 URL: https://issues.apache.org/jira/browse/HAMA-774
>             Project: Hama
>          Issue Type: New Feature
>          Components: bsp core
>    Affects Versions: 0.6.2
>            Reporter: Martin Illecker
>            Assignee: Martin Illecker
>            Priority: Minor
>             Fix For: 0.6.3
>
>         Attachments: HAMA-774.patch
>
>
> *Adapting Hadoop CompositeInputFormat to Hama.*
> Adapt the CompositeInputFormat from Hadoop and integrate it into Hama.
> e.g., Useful for matrix multiplication example by doing a inner join of two matrices.
> Therefore the Hadoop join package has been adapted within *org.apache.hama.bsp.join*.
> Finally I would need some help to integrate the CompositeInputFormat into Hama by using
> {code} 
> job.setInputFormat(CompositeInputFormat.class);
> job.set("bsp.join.expr", CompositeInputFormat.compose("inner",
>    SequenceFileInputFormat.class, aPath, bPath));
> {code}

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