Hi Nelz, while in general I agree with you, there can be situations where
something like that is really useful.
In case of multiple data center deployments, you want to keep caches warm
in stand-by data center(s). This can be achieved by having database
replication do this job but it may be hard if what's you cache is not raw
result sets but "post processed" data.

Boris


On Tue, Mar 5, 2013 at 12:53 PM, Nelz <nelz9...@gmail.com> wrote:

> Don't.
>
> Consider your memcached nodes as defense for your database.
>
> If you have N physical nodes in your single logical memcached cluster,
> if one of the physical nodes goes away, then your database will have a
> burst of 1/N additional activity until the data is re-balanced to the
> remaining N-1 servers.
>
> Memcached is designed to hold transient data. If you are using
> memcached as a permanent data store, you are Doing It Wrong™.
>
> - Nelz
>
> On Tue, Mar 5, 2013 at 1:53 AM, Oleksandr Drach <luckyred...@gmail.com>
> wrote:
> > Dear memcached community,
> >
> > It would be really good to build a failover memcached cluster.
> > As I know this functionality is not provided by default.
> > Hence as options - you may use CouchBase Server or something like
> Repcached.
> > Both of them has disadvantages: CouchBase Server is much slower,
>  Repcached
> > works with legacy memcached version 1.2.8
> >
> > Based on your experience what is the best way to build cluster of
> memcached
> > servers?
> >
> > Thanks in advance!
> >
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