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From Paul Prescod <pres...@gmail.com>
Subject Re: Memcached protocol?
Date Mon, 05 Apr 2010 07:47:43 GMT
On Mon, Apr 5, 2010 at 12:01 AM, David Strauss <david@fourkitchens.com> wrote:
> On 2010-04-05 03:42, Paul Prescod wrote:
>...
>
> There is a difference between Cassandra allowing inc/dec on values and
> actually *knowing* the resultant value at the time of the write. It's
> likely that inc/dec support will still feature blind writes if at all
> possible. The memcached protocol returns a resultant value from inc/dec.

Right. That's why I said that the proxy layer would need to read the
result with an appropriate consistency level before returning to the
memcached client application. The client application would need to
declare its consistency preference using a configuration file.

 Paul Prescod

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