On Friday 05 June 2009, anatoly techtonik wrote:

> Performance test needs real DB with big data table. When people switch
> from old Trac version to a new one and notice serious performance
> decrease they usually already have about 1000 tickets inside.

> This leads to conclusion that read-only tests are better be executed
> by final users on their production DB (in a safe testing environment
> with all external output - email etc. turned off) with profiling
> turned on to gather statistics on lockups and catch other surprises
> that can only occur when several processes are executed concurrently.

At work we have a system with over 28,000 tickets and 140,000 svn revisions. 
(Currently using the sqlite backend, though we're seriously considering seeing 
if we can switch to postgres).

There's a definite slowdown between 0.10 and 0.11 (further aggravated by the 
WYSIWYG plugin causing a reload of every page with text entry).

If that's a useful setup to test and there's a test that's relatively simple 
to set up, I could run tests some evening/weekend.

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