2012/10/16 SAE <simsimil...@googlemail.com>

> Hello,
>
> Hi


> We recently implemented memcached to keep our database from crashing
> because of too many connections to it.
>
> Now we have two memcached servers which handle the DB-access and as long
> as both servers are online we encounter no problems. However when one of
> the goes down. Half our users loose their sessions.
>
Can anyone help me to figure out what is going on here, please?
>

Maybe you should read at this http://dormando.livejournal.com/495593.html


>
> Another thing is, that we would prefer to have the exact same data
> available on both memcached-Servers. So if one of the two can't be reached,
> the other one is asked. So no user is losing his session when one server
> suddenly goes down.
>

Memcached has a different architecture...  If you have same data on both
memcached server you have to do cache invalidation and data sync.. a
nightmare...

M

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