=?ISO-8859-2?Q?Sz=FBcs_G=E1bor?= <surrano@gmail.com> writes:
> According to user reports, the production server slowed down noticeably on
> Friday and is almost unbearably slow today (Monday). My humble question is,
> could you think of any way this patch could affect overall speed, or is it
> just a fatal coincidence?
I can't see that there could be any connection. You need to be looking
for other explanations, not an "undo".
regards, tom lane