Re: [MORG] Why IMAP extensions are (not) used

[Arnt Gulbrandsen <arnt at oryx.com>]

Mark Crispin writes:
> >  A couple of hours ago someone sent me mail saying essentially «blah 
> >  issues 350 SELECTs and 350 SEARCHes and it's unpleasantly slow». I 
> >  think the sender might just possibly consider multimailbox search 
> >  to fit group 3 ;)
>
> If 350 SELECTs and 350 SEARCHes are unpleasantly slow, what makes you 
> think that multimailbox search will be different?

Not «will be», «is».

The speedup (up to orders of magnitude depending on the search 
expression) comes from two factors: The search itself is much better 
optimised, and there's no need to compute those 350 UNSEENs, EXISTSs 
and RECENTs.

Arnt