[jira] [Created] (FLINK-10718) Use IO executor in RpcService for message serialization

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-10718:
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             Summary: Use IO executor in RpcService for message serialization
                 Key: FLINK-10718
                 URL: https://issues.apache.org/jira/browse/FLINK-10718
             Project: Flink
          Issue Type: Improvement
          Components: Local Runtime
    Affects Versions: 1.6.2, 1.5.5, 1.7.0
            Reporter: Till Rohrmann
             Fix For: 1.7.0


The {{AkkaInvocationHandler}} and once FLINK-10251 has been merged also the {{AkkaRpcActor}} serialize their remote RPC messages before sending them. This happens in the calling thread which can be a main thread of another {{RpcEndpoint}}. Depending on the de-/serialization time, this can be considered a blocking operation. Thus, I propose to introduce an IO executor which is being used for the serialization of the messages. This will make the {{RpcService}} abstraction more scalable.



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