Igor Kabiljo created GIRAPH-1002:
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             Summary: Support better message config for Giraph
                 Key: GIRAPH-1002
                 URL: https://issues.apache.org/jira/browse/GIRAPH-1002
             Project: Giraph
          Issue Type: Improvement
          Components: graph
            Reporter: Igor Kabiljo



There are various different options for sending messages in Giraph:
- whether there is going to be a combiner
- MessageEncodeAndStoreType to be used
- message factory
- etc

If you want different properties in different iterations, currently you can set 
some of them in master through SuperstepClasses, which are then sent to all the 
workers, which then use MessageStoreFactory (for example - 
InMemoryWithPrimitivesMessageStoreFactory)
Some of the properties are missing there, and so cannot be changed at all (like 
message factory/MessageEncodeAndStoreType)




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