[rt-users] TicketHistory slow on 4.2.0

[Alex Vandiver]

On Wed, 2013-10-23 at 12:14 -0400, Tod Detre wrote:
> I have just upgraded an RT install to 4.2.0. We are experiencing a
> problem where the ticket history is very slow. Everything else seems
> to load just fine and the history will load in ~50-60 seconds. Also,
> if you go to the same ticket in a short period of time, the history
> will load quickly (probably cached somewhere). 
>
> [snip]
>
> The ticket table is ~30,000 records, the transactions table is
> ~3,800,000, and the users table is ~280,000.

What database backend, and what version thereof?
 - Alex