On Wed, Sep 22, 2010 at 6:47 PM, Dan Nessett <[email protected]> wrote:
>
> I think the object cache and memcached are alternative ways of storing
> persistent data. (I also am not an expert in this, so I could be wrong).
> My understanding is memcached uses the memcached daemon (http://
> memcached.org/), while the object cache uses the underlying database. If
> so, then memcached data disappears after a system crash or power outage,
> whereas object cache data should survive.
>

There is no ObjectCache class. Basically, there is a common base class
called BagOStuff and from that various classes for various backends
are defined such as SqlBagOStuff and MemcacheBagOStuff. To the code
outside that class, there is no visible difference.


Bryan

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