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From "Thomas Jungblut (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Edited] (HAMA-395) Example: PageRank
Date Tue, 14 Jun 2011 07:14:53 GMT

    [ https://issues.apache.org/jira/browse/HAMA-395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13049021#comment-13049021
] 

Thomas Jungblut edited comment on HAMA-395 at 6/14/11 7:13 AM:
---------------------------------------------------------------

that bug was obvious:

 java.lang.IllegalArgumentException: Pathname /user/hadoop/pagerank/output/temp/karrigan:61000
from pagerank/output/temp/karrigan:61000 is not a valid DFS filename.


Now it hangs.
 
{noformat}
PageRank Example:
<optional: output path> <optional: input path>
11/06/14 09:12:21 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your
platform... using builtin-java classes where applicable
11/06/14 09:12:21 INFO compress.CodecPool: Got brand-new compressor
11/06/14 09:12:21 INFO compress.CodecPool: Got brand-new compressor
11/06/14 09:12:21 INFO bsp.BSPJobClient: Running job: job_201106140911_0001
11/06/14 09:12:24 INFO bsp.BSPJobClient: Current supersteps number: 0
11/06/14 09:12:27 INFO bsp.BSPJobClient: Current supersteps number: 22
11/06/14 09:12:30 INFO bsp.BSPJobClient: Current supersteps number: 36
11/06/14 09:12:33 INFO bsp.BSPJobClient: Current supersteps number: 55

{noformat}

      was (Author: thomas.jungblut):
    that bug was obvious:

 java.lang.IllegalArgumentException: Pathname /user/hadoop/pagerank/output/temp/karrigan:61000
from pagerank/output/temp/karrigan:61000 is not a valid DFS filename.

  
> Example: PageRank
> -----------------
>
>                 Key: HAMA-395
>                 URL: https://issues.apache.org/jira/browse/HAMA-395
>             Project: Hama
>          Issue Type: Improvement
>          Components: bsp, examples
>    Affects Versions: 0.2.0
>            Reporter: Thomas Jungblut
>            Assignee: Thomas Jungblut
>             Fix For: 0.3.0
>
>         Attachments: HAMA-395-v1.patch, HAMA-395-v2.patch, HAMA-395-v3.patch, HAMA-395-v4.patch,
HAMA-395-v5.patch, HAMA-395.patch, input.txt
>
>
> I'd like to contribute my PageRank BSP as an example. 
> http://codingwiththomas.blogspot.com/2011/04/pagerank-with-apache-hama.html
> TODO:
> - refactor the partitioning from the SSSP patch in https://issues.apache.org/jira/browse/HAMA-359
(extract an utility class etc)
> - add a really cool web-sub-graph example dataset ;D
> - add a wiki page for it

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