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Posted to common-issues@hadoop.apache.org by "Doug Cutting (JIRA)" <ji...@apache.org> on 2009/12/09 21:14:18 UTC
[jira] Commented: (HADOOP-6422) permit RPC protocols to be
implemented by Avro
[ https://issues.apache.org/jira/browse/HADOOP-6422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12788287#action_12788287 ]
Doug Cutting commented on HADOOP-6422:
--------------------------------------
My idea is to use a convention similar to that of HDFS file-system implementations. The property name would be rpc.impl.<protocolName>, and its values would name an implementation of an RPC system. We'd modify RPC.java to be a factory for different RPC implementations. The central methods of an RPC implemetation are getProxy() and getServer(). This interface would be package-private, so we would not encourage others to create new RPC implementations.
> permit RPC protocols to be implemented by Avro
> ----------------------------------------------
>
> Key: HADOOP-6422
> URL: https://issues.apache.org/jira/browse/HADOOP-6422
> Project: Hadoop Common
> Issue Type: New Feature
> Components: ipc
> Reporter: Doug Cutting
> Assignee: Doug Cutting
> Fix For: 0.22.0
>
>
> To more easily permit Hadoop to evolve to use Avro RPC, I propose to change RPC to use different implementations for clients and servers based on the configuration. This is not intended as an end-user configuration: only a single RPC implementation will be supported in a given release, but rather a tool to permit us to more easily develop and test new RPC implementations. As such, the configuration parameters used would not be documented.
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