Github user greghogan commented on the pull request:
https://github.com/apache/flink/pull/1901#issuecomment-217428888
@vasia I had looked at one of the failed tests and it wasn't due to bad
logic but rather to running out of some minimal number of memory buffers. This
results, I expect, from updating the `Graph` API's degree functions to
translate the output of the degree algorithms. I think it is best to leave the
`Graph` API as-is for now.
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