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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HAMA-238) Example fail when performing sparse matrices addition
Date Tue, 16 Feb 2010 15:31:28 GMT

     [ https://issues.apache.org/jira/browse/HAMA-238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Edward J. Yoon resolved HAMA-238.
---------------------------------

    Resolution: Fixed

It doesn't need to unit testing. I just committed this.

> Example fail when performing sparse matrices addition
> -----------------------------------------------------
>
>                 Key: HAMA-238
>                 URL: https://issues.apache.org/jira/browse/HAMA-238
>             Project: Hama
>          Issue Type: Bug
>          Components: examples
>    Affects Versions: 0.2.0
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>            Priority: Minor
>             Fix For: 0.2.0
>
>         Attachments: HAMA-238.patch
>
>
> Hi there
> Have following working setup:
> hadoop 0.20.1
> hbase 0.20.3
> hama latest SVN trunk version
> Notes:
> had to replace and rebuild hama with new hbase lib (upgraded to version
> 0.20.3)
> 1. successfully rand hama example to generate random matrix
> $HAMA_HOME/bin/hama examples rand -m 10 -r 10 100 100 30.5% matrixA
> Note: verified hbase table was generated (via shell list and scan)
> 2. moved on to other examples, generated 2 random matrices:
> $HAMA_HOME/bin/hama examples rand -m 10 -r 10 100 100 30.5% matrixA
> $HAMA_HOME/bin/hama examples rand -m 10 -r 10 100 100 30.5% matrixB
> then an attempt at distributed addition:
> $HAMA_HOME/bin/hama examples add1  matrixA matrixB
> 3. in similar venue tried multi, norms and and similarity (all generated
> exceptions)
> Exceptions appear to be hama code related (and not environmentally specific)
> Culprit could be in improper usage of input matrix data to add,multi, norms
> and similarity.
> Another question is about lack of "breadth first search" sample, is this a
> sub-project of next release?
> thanks

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