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https://issues.apache.org/jira/browse/FLINK-10718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16754491#comment-16754491
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vinoyang commented on FLINK-10718:
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Since FLINK-10251 has been merged, I am trying to start this issue.
> 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: 1.5.5, 1.6.2, 1.7.0
> Reporter: Till Rohrmann
> Assignee: vinoyang
> Priority: Major
> Fix For: 1.8.0
>
>
> 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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