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https://issues.apache.org/jira/browse/FLINK-2634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14743102#comment-14743102
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ASF GitHub Bot commented on FLINK-2634:
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Github user fhueske commented on the pull request:
https://github.com/apache/flink/pull/1105#issuecomment-139999460
As I said, I did not look at the actual implementation of the PR besides
counting expensive operators.
Since we have implementations for both, we could simply run a few
benchmarks to get an idea of the trade-offs. Of course these will be just a few
points in the whole space but maybe better than nothing...
> Add a Vertex-centric Version of the Tringle Count Library Method
> ----------------------------------------------------------------
>
> Key: FLINK-2634
> URL: https://issues.apache.org/jira/browse/FLINK-2634
> Project: Flink
> Issue Type: Task
> Components: Gelly
> Affects Versions: 0.10
> Reporter: Andra Lungu
> Assignee: Andra Lungu
> Priority: Minor
>
> The vertex-centric version of this algorithm receives an undirected graph as
> input and outputs the total number of triangles formed by the graph's edges.
> The implementation consists of three phases:
> 1). Select neighbours with id greater than the current vertex id.
> 2). Propagate each received value to neighbours with higher id.
> 3). Compute the number of Triangles by verifying if the final vertex contains
> the sender's id in its list.
> As opposed to the GAS version, all these three steps will be performed via
> message passing.
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