[rt-users] TicketHistory slow on 4.2.0

[Alex Vandiver]

On Wed, 2013-10-23 at 13:47 -0400, Tod Detre wrote:
> I've had the mysql slow log on, but it does not show any slow
> queries. 

That is surprising to me, as the symptoms of "first load is slow,
successive ones are fast" sounds like the MySQL query cache to me, as
I'm not aware of any other caching layers in that area.  I'd
double-check your slow query log threshold and relevant settings.

> Another interesting point, the mobile site does not seem to have the
> same problem.

Do you have any local customizations?
 - Alex