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https://issues.apache.org/jira/browse/BOOKKEEPER-582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13924028#comment-13924028
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Ivan Kelly commented on BOOKKEEPER-582:
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One thing we have to be aware of here is that by using enums, we are committing
to losings client->server compatibility whenever we upgrade the protocol. To
me, this doesn't seem to be such a problem, as we tend to mandate that servers
are upgraded before clients, but I think it's something we should get a little
bit more consensus on. [~rakeshr] [~umamaheswararao] Is server client
incompatibility ok for you guys as long as the server upgrades first?
> Make bookie and client use protobuf for requests (non-wire part)
> ----------------------------------------------------------------
>
> Key: BOOKKEEPER-582
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-582
> Project: Bookkeeper
> Issue Type: Sub-task
> Components: bookkeeper-client, bookkeeper-server
> Reporter: Ivan Kelly
> Assignee: Aniruddha
> Fix For: 4.3.0
>
> Attachments:
> 0002-BOOKKEEPER-582-Make-bookie-and-client-use-protobuf-f.patch,
> 0002-BOOKKEEPER-582-Make-bookie-and-client-use-protobuf-f.patch,
> 0002-BOOKKEEPER-582-Make-bookie-and-client-use-protobuf-f.patch,
> 0003-BOOKKEEPER-582-Make-bookie-and-client-use-protobuf-f.patch,
> BOOKKEEPER-582.diff
>
>
> Make the client and the bookie use protobufs internally. This is the first
> step to using protobufs on the wire, but for the moment, BookieRequestHandler
> decodes the old wire protocol into the protobuf messages. Once this is in,
> enabling on the wire will be very simple, and the old manual serialization
> can be made "legacy" (still supported, but deprecated).
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