[Tarantool-patches] [PATCH v2 01/10] box: rfc for stacked diagnostic area

[Nikita Pettik]

On 25 Mar 11:27, Konstantin Osipov wrote:
> * Nikita Pettik <korablev at tarantool.org> [20/03/25 09:32]:
> > From: Kirill Shcherbatov <kshcherbatov at tarantool.org>
> > 
> > Part of #1148
> 
> This RFC is lgtm.
> 
> I wonder how it corresponds with capability negotiations. If we
> have capability negotiations, we don't need iproto_error_stack
> *and* iproto_error messages in the protocol, we can negotiate with
> the client whether or not it's ready to receive
> iproto_error_stack.
> 
> However, I think capability negotiation in client-server protocol
> is an overkill. Gradually phasing out old client support is a cleaner
> strategy. And simply preserving backward compatibility, which is
> already possible with extra fields ignored by old clients, is even better.

Agree, I said it long ago.
 
> -- 
> Konstantin Osipov, Moscow, Russia