Hi there. I'm confused about when it's OK to use Vertex instance variables to maintain state rather than proper Giraph values ala getValue(). An interesting example I found in the source demonstrates both: SimpleTriangleClosingVertex, which has both an instance variable (closeMap) and a custom vertex value (IntArrayListWritable). I'm a little surprised that using an instance variable is legit due to possibly screwing up serialization (?) My question: Is either valid? If so, how do I choose one over the other? Thanks very much. -- matt
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