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https://issues.apache.org/jira/browse/HBASE-19316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16261080#comment-16261080
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stack commented on HBASE-19316:
-------------------------------
See for some background.
> Direct invocation Client-Server short-circuit without having to pass through
> the eye of a protobuf stub
> -------------------------------------------------------------------------------------------------------
>
> Key: HBASE-19316
> URL: https://issues.apache.org/jira/browse/HBASE-19316
> Project: HBase
> Issue Type: Improvement
> Components: rpc
> Reporter: stack
> Labels: beginner
>
> In hbase, on server-side, we have a short-circuit facility that bypasses RPC
> by directly hooking the client and server protobuf Services up to each other.
> Passing through the Protobuf Service stub requires that the invocation be
> cast as protobufs -- the invocation itself and all params are converted to
> protobuf to pass through the eye of the protobuf Service stub. Can we do
> better and make direct invocations w/o having to do the protobuf
> marshalling/unmarshalling? (Can we do it in a way that is not brittle in need
> of careful repair whenever a change is made?). It would make for some nice
> savings.
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