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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Memcached protocol?
Date Tue, 06 Apr 2010 15:52:13 GMT
On Mon, Apr 5, 2010 at 6:48 PM, Tatu Saloranta <tsaloranta@gmail.com> wrote:
> I would think that there is also possibility of losing some
> increments, or perhaps getting duplicate increments?
> It is not just isolation but also correctness that is hard to maintain
> but correctness also. This can be more easily worked around in cases
> where there is additional data that can be used to resolve potentially
> ambiguous changes (like inferring which of shopping cart additions are
> real, which duplicates).
> With more work I am sure it is possible to get things mostly working,
> it's just question of cost/benefit for specific use cases.

Let me inject a couple useful references:

http://pl.atyp.us/wordpress/?p=2601
http://blog.basho.com/2010/04/05/why-vector-clocks-are-hard/

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