Quoting Janne Peltonen <[email protected]>:

I'm not. But mm, the queries used in say, shares, use searches based on
bitwise fields etc... So if a read is going to take a couple minutes to
complete because no indices can be used because the queries are coded
against all cautions in the database server documentation, it's not much
use splitting writes anywhere else.  The read takes a long time even
with no writes. (This is why everything that needs shares is mostly
disabled here.)

This is a known issue, fwiw:
http://bugs.horde.org/ticket/7363

memcached is the perfect solution for Horde-type caching.  At this point
I can say that if you are a large installation and are not using memcache
(or a similar solution) for caching, you are probably doing caching wrong
(ask Facebook - without memcache, it would not be able to run period.)

OK, another point to try. Thanks. Would this be faster than the file
based caching we're currently using? Sounds improbable, but.

Yes, memcache is definitely faster than fs-based caching if set up well.

-chuck
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