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Date: Wed, 7 Sep 2011 04:31:09 +0000 (UTC)
From: "Jake Mannix (JIRA)" <jira@apache.org>
To: giraph-dev@incubator.apache.org
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 <907631067.23408.1315369869965.JavaMail.tomcat@hel.zones.apache.org>
Subject: [jira] [Created] (GIRAPH-26) Improve PseudoRandomVertexInputFormat
 to create a more realistic synthetic graph (e.g. power-law distributed
 vertex-cardinality).
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Improve PseudoRandomVertexInputFormat to create a more realistic synthetic graph (e.g. power-law distributed vertex-cardinality).
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                 Key: GIRAPH-26
                 URL: https://issues.apache.org/jira/browse/GIRAPH-26
             Project: Giraph
          Issue Type: Test
          Components: benchmark
            Reporter: Jake Mannix
            Priority: Minor


The PageRankBenchmark class, to be a proper benchmark, should run over graphs which look more like data seen in the wild, and web link graphs, social network graphs, and text corpora (represented as a bipartite graph) all have power-law distributions, so benchmarking a synthetic graph which looks more like this would be a nice test which would stress cases of uneven split-distribution and bottlenecks of subclusters of the graph of heavily connected vertices.

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