[rt-users] Purging OLD requests...

[bill at daze.net]

> MySQL gets severe indigestion if there are too many simultaneous updates. 
> I have some serialization in front of the RT mail queues to try to avoid 
> this, but I'm hoping to migrate to a different database engine for RT2. 
> Aside from that, well, indexes are your friends.

I have been told by the great minds at mysql.com that the indexes are what
slows down the updates...  since it has to rewrite the indexes at every
update.  How to other engines handle this?