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From "eric baldeschwieler (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6659) Switch RPC to use Avro
Date Tue, 13 Apr 2010 17:41:28 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12856512#action_12856512
] 

eric baldeschwieler commented on HADOOP-6659:
---------------------------------------------

If we can get to agreement that the current RPC remains the default and that IDL work happens
in a branch and that only after we have a reasonably complete backwards compat solution do
we change to AVRO RPC by default, then I think we are good.

My concern is not with the already committed plugability, but with the change of the default
RPC and incremental change over of the protocols.  Once that work starts, we are committed
to finishing it and we can not do that in the timeframe of the next release IMO.  I'd love
to be proven wrong in a branch...

Would we keep the plugable API once we make the transition?  Seems like plugable support of
an IDL driven RPC will be hard / not valuable.  Thoughts?

> Switch RPC to use Avro
> ----------------------
>
>                 Key: HADOOP-6659
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6659
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>            Reporter: Doug Cutting
>
> This is an umbrella issue for moving HDFS and MapReduce RPC to use Avro.

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