[Catalyst] Sharing session and login data

[Jeffrey Ng]

right! thanks for reminding. we probably will put it on a separate
dedicated memcache server then.

On 2/28/07, Perrin Harkins <pharkins at gmail.com> wrote:
> On 2/28/07, Jeffrey Ng <jeffreyn at gmail.com> wrote:
> > we have just improved our session implementation. instead of storing
> > our session table in mysql database, we stored them in memcache.
>
> Memcached does things like silently drop your data when it runs out of
> room.  If the daemon stops for any reason, all of your sessions are
> instantly gone (unlike a database where they are safely on disk and
> you can restart it).  It is designed to be unreliable storage, since
> it's a cache and not a database.
>
> Some sites can get away with it, because they just don't care if they
> use all their users' sessions.  Just be sure that your site is one of
> those before your start putting your sessions into lossy storage.
>
> - Perrin
>
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-- 
Jeffrey Ng
CEO, Zorpia.com