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Posted to dev@reef.apache.org by "Julia (JIRA)" <ji...@apache.org> on 2015/08/08 04:08:45 UTC

[jira] [Created] (REEF-574) Eliminate Task Configuration deserialization/serialization at Java side

Julia created REEF-574:
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             Summary: Eliminate Task Configuration deserialization/serialization at Java side
                 Key: REEF-574
                 URL: https://issues.apache.org/jira/browse/REEF-574
             Project: REEF
          Issue Type: Improvement
          Components: REEF, REEF Bridge, REEF-Common
            Reporter: Julia


Currently Task configuration is passed over the bridge as a string. At Java side, it is deserialized into a Configuration object with C# class hierarchy. Before it is passed over to Evaluator, it is serialized again into a string. 
There are two issues:

1. When Task class contains a generic type, Java is not able to understand the class hierarchy from C#. That causes deserialization fail. 
2. Performance hit. It is not necessary to deseralize the Task Configuration and then serialize it again. 

A proposed solution is to pass it directly to the .Net evaluator and let .Net Evaluator to desterilize it. Then there won't have any cross language issue. 



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