GitHub user jegonzal opened a pull request:
https://github.com/apache/spark/pull/2495
[SPARK-3650] Fix TriangleCount handling of reverse edges
This PR causes the TriangleCount algorithm to remove self-edges, direct
edges from low-id to high-id (canonical direction), and then remove duplicate
edges, before running the triangle count algorithm.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jegonzal/spark FixTriangleCount
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/2495.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2495
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commit daf1ab5e66259d0af449a91ca7c230323ac49daa
Author: Joseph E. Gonzalez <[email protected]>
Date: 2014-09-22T21:57:28Z
Improving Triangle Count
commit d054d33181486e3b90222e5e30b2f20648434673
Author: Joseph E. Gonzalez <[email protected]>
Date: 2014-09-22T22:16:46Z
fixing bug in unit tests where bi-directed edges lead to duplicate
triangles.
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