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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AVRO-405) Netty-based Java RPC server
Date Fri, 05 Feb 2010 22:50:27 GMT

    [ https://issues.apache.org/jira/browse/AVRO-405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12830344#action_12830344
] 

Todd Lipcon commented on AVRO-405:
----------------------------------

I think the server type 1 above could become the default Java RPC server implementation. It
has the nice scalability properties of being able to handle a lot of concurrent connections,
and as long as the RPC handler isn't doing further downstream RPCs, it shouldn't be much worse
than #2.

> Netty-based Java RPC server
> ---------------------------
>
>                 Key: AVRO-405
>                 URL: https://issues.apache.org/jira/browse/AVRO-405
>             Project: Avro
>          Issue Type: New Feature
>          Components: java
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>
> A nonblocking RPC server based on Netty should be more scalable than the current implementation.
> We should provide two mechanisms for interfacing the RPC server to the implementations:
> 1) "Blocking" RPC implementations run inside a worker threadpool. Implementators would
not know that they're working in a non-blocking context.
> 2) "Event-driven" RPC implementations that receive requests and some kind of request
context. They are responsible for eventually calling context.respond(response) or somesuch.
This would allow more scalable interaction with downstream services.
> I propose we focus on (1) first.

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