Github user greghogan commented on the issue:
https://github.com/apache/flink/pull/2733
Running on a c4.xlarge with 4 slots and a 4 GB preallocated TaskManager
heap. EdgeList measures the time to simplify the graph since the library
PageRank using Scatter-Gather ("PageRankSG") requires each vertex to have both
incoming and outgoing edges. "PageRank" is the algorithm from this PR.
Algorithm | Scale 16 | Scale 18
------------ | ------------- | -------------
EdgeList | 2537 ms | 8779 ms
PageRank | 9563 ms | 39558 ms
PageRankSG | 11188 ms | 47736 ms
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