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From "Thomas Jungblut (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HAMA-420) Generate random data for Pagerank example
Date Fri, 05 Aug 2011 11:53:27 GMT
Generate random data for Pagerank example
-----------------------------------------

                 Key: HAMA-420
                 URL: https://issues.apache.org/jira/browse/HAMA-420
             Project: Hama
          Issue Type: New Feature
          Components: examples
            Reporter: Thomas Jungblut


As stated in comment on whirrs jira:
https://issues.apache.org/jira/browse/WHIRR-355

We should generate a big file (1-5gb?) for PageRank example. We wanted to add this as a part
of the contrib, but we skipped/lost it somehow.

I started crawling several pages, starting from google news. But then my free Amazon EC2 qouta
expired and had to stop the crawl.

> We need some cloud to crawl
> We need a place to make the data available

The stuff we need is already coded here: 
http://code.google.com/p/hama-shortest-paths/source/browse/#svn%2Ftrunk%2Fhama-gsoc%2Fsrc%2Fde%2Fjungblut%2Fcrawl

Afterwards a m/r processing job in the subpackage "processing" has to be run on the output
of the crawler. This job takes care that the adjacency matrix is valid.


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