[infinispan-dev] Integrating Karsten's FCS

[Mircea Markus]

On 10 Jul 2013, at 09:24, Radim Vansa <rvansa at redhat.com> wrote:

> | > | From: "Galder Zamarreño" <galder at redhat.com>
> | > | Shall we keep the current FCS implementation, deprecate it, and get rid
> | > | of it
> | > | in the next minor/major version? Some users might have data stored in the
> | > | current FCS and would be quite abrupt to just get rid of it right now.
> | > 
> | > I'd remove it in Final, it cannot be seriously used either. Users can
> | > migrate the data using rolling upgrades.
> | 
> | Can you describe this process, especially for how it can be accomplished with
> | a single (local) cache?
> 
> You're right, after looking into rolling upgrades I've realized that in order to do so the cache would have to be accessible via HotRod (currently). ISPN-2637 and ISPN-2638 should allow rolling upgrades for Memcached and REST as well - I hope that these in cooperation with inter-client compatibility will allow library-mode rolling upgrades as well.
> 
> Still, I'd prefer any migration to happen via rolling upgrades over some custom cache-store migration, if that would be possible.

+1. Curious to see Tristan's thoughts on this :-)

Cheers,
-- 
Mircea Markus
Infinispan lead (www.infinispan.org)