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From "jiraposter@reviews.apache.org (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-64) Create VertexRunner to make it easier to run users' computations
Date Thu, 03 Nov 2011 02:43:33 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-64?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13142786#comment-13142786
] 

jiraposter@reviews.apache.org commented on GIRAPH-64:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/2691/#review3021
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Does this have the whole diff?  Seems like it's missing stuff.  Only has GraphMapper.java
changes and pom.xml...

- Jake


On 2011-11-03 02:29:54, Avery Ching wrote:
bq.  
bq.  -----------------------------------------------------------
bq.  This is an automatically generated e-mail. To reply, visit:
bq.  https://reviews.apache.org/r/2691/
bq.  -----------------------------------------------------------
bq.  
bq.  (Updated 2011-11-03 02:29:54)
bq.  
bq.  
bq.  Review request for giraph and Jake Mannix.
bq.  
bq.  
bq.  Summary
bq.  -------
bq.  
bq.  This is filed on behalf of Jakob Homan.
bq.  
bq.  
bq.  This addresses bug GIRAPH-64.
bq.      https://issues.apache.org/jira/browse/GIRAPH-64
bq.  
bq.  
bq.  Diffs
bq.  -----
bq.  
bq.    http://svn.apache.org/repos/asf/incubator/giraph/trunk/pom.xml 1196921 
bq.    http://svn.apache.org/repos/asf/incubator/giraph/trunk/src/main/java/org/apache/giraph/graph/GraphMapper.java
1196921 
bq.  
bq.  Diff: https://reviews.apache.org/r/2691/diff
bq.  
bq.  
bq.  Testing
bq.  -------
bq.  
bq.  Don't know.
bq.  
bq.  
bq.  Thanks,
bq.  
bq.  Avery
bq.  
bq.


                
> Create VertexRunner to make it easier to run users' computations
> ----------------------------------------------------------------
>
>                 Key: GIRAPH-64
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-64
>             Project: Giraph
>          Issue Type: New Feature
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>         Attachments: GIRAPH-64.patch
>
>
> Currently, if a user wants to implement a Giraph algorithm by extending {{Vertex}} they
must also write all the boilerplate around the {{Tool}} interface and bundle it with the Giraph
jar (or get Giraph on the classpath and playing nice with the implementation).  For example,
what is included in the PageRankBenchmark and what Kohei has done: https://github.com/smly/java-Giraph-LabelPropagation
 It would be better if we had perhaps a Vertex implementation to be subclassed that already
had all the standard Tooling included such that all one had to run would be (assuming the
Giraph jar was already on the classpath):
> {noformat}hadoop jar my-awesome-vertex.jar my.awesome.vertex -i jazz_input -o jazz_output
-if org.apache.giraph.lib.in.text.adjacency-list.LongDoubleDouble -of org.apache.giraph.lib.out.text.adjacency-list.LongDoubleDouble{noformat}
This wouldn't work with every algorithm, but would be useful in a large number of cases.

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