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https://issues.apache.org/jira/browse/GIRAPH-26?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13418129#comment-13418129
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Eli Reisman commented on GIRAPH-26:
-----------------------------------
Great work Sean! Two suggestions:
1. Perhaps locking something this useful into PageRankBenchmark is too narrow;
what if you generate the graph and simply let the output format dump it to disk
in whatever data format the user chooses at the command line with -of. Then
they can use it for whatever testing they want. Locking this into a single
algorithm also keeps users from seeing the graph it generates, just the
benchmark results.
2. Can't tell the line number from the diff, but there is a spot where it looks
like you assign to a p1[0][0] four times in a row? did you mean p1[0][0] = ...
then p1[0][1] = ... etc.?
> Improve PseudoRandomVertexInputFormat to create a more realistic synthetic
> graph (e.g. power-law distributed vertex-cardinality).
> ---------------------------------------------------------------------------------------------------------------------------------
>
> Key: GIRAPH-26
> URL: https://issues.apache.org/jira/browse/GIRAPH-26
> Project: Giraph
> Issue Type: Test
> Components: benchmark
> Affects Versions: 0.2.0
> Reporter: Jake Mannix
> Assignee: Sean Choi
> Priority: Minor
> Fix For: 0.2.0
>
> Attachments: GIRAPH-26-1.patch
>
>
> 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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