Github user vasia commented on the pull request:
https://github.com/apache/flink/pull/598#issuecomment-94002207
Hi @markus-h!
I see the point in having a bulk iteration in Gelly, however I'm not sure I
would add it as a "mode" in vertex-centric iteration. VertexCentricIteration
implements the Pregel model and it might be confusing to change its semantics
like this (or maybe not).
Also, I am not sure whether the messaging-vertexUpdate abstraction is what
you would like to have in a bulk graph iteration.
It might be better to add a bulk graph iteration, where the gathering of
neighborhoods is abstracted and the user only provides the step function, i.e.
something like the neighborhood methods, but iterative.
What do you think?
In any case, I think that a use-case / example would really help motivate
adding this :-)
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