Re: [Evolution] IMAP speed

[Marcus Brubaker <aurelius marcus rogers com>]

On Tue, 2002-11-19 at 20:56, Jeffrey Stedfast wrote:
> Since no one wants to listen to me, I've spent the past few hours
> building Evolution 1.0.8 and deps on my Celeron 400 box at home here (a
> multitude of hops away from our IMAP Courier server) and did the
> following:
>
> - killev
> - rm -rf ~/evolution
> - evolution
> - create imap account - left on all default options (except I had to
> turn on SSL). These options are as follows:
>
> [ ] Automatically check for new mail ...
> [X] Check for new messages in all folders
> [X] Show only subscribed folders
> [ ] Override server-supplied namespace
> [ ] Apply filters to new messages in INBOX
>
> - select local Inbox folder (so that the next time we start up it will
> not load any IMAP folders, shouldn't be an issue but ah well)
> - close evolution
> - killev; evolution
> - select fejj imap ximian com/INBOX/bugzilla
> - immediately start stopwatch
> - wait for message-list to load
> - stop stopwatch immediately
>
> The results I got were as follows:
>
> Evolution 1.2.0: time = 4:25:48
> Evolution 1.0.8: time = 10:09:75
>
> Seems to me that Evolution 1.2.0 is quite a bit faster than Eolution
> 1.0.8 to me... more than 2 times faster in fact.
>
> Since you come from u.washington.edu, I suspect you probably use
> uw.imapd, which may explain your problem - uw.imapd is known to be
> extremely inefficient. I would suggest you install a faster imap server
> such as Courier imapd or (the even faster?) Cyrus imapd.
>
> Jeff

And for the people for whom installing a different IMAP server isn't an
option?  A lot of people don't have control over what software their
IMAP server is running.

Yes, IMAP in 1.2 may be considerably faster for Courier IMAPd.  But a
lot of people don't use Courier or Cyrus and don't have the option or
the desire to do so.  (If it works, why replace it even if you do have
the option?  I think we all have better things to do with our time than
that.)  If it used to work well and now it doesn't work so well, it *IS*
a regression.

If people update to a new version of a 3d game which claims to give you
better framerates on OpenGL capable cards and when someone actually runs
it they find out that this is only true if you're using a Matrox card
and in fact, if you're using NVidia or any other brand card, it has
WORSE performance, their going to be understandably upset.  And when the
people who respond to it first tell them it's their fault and quit
bothering them instead of just saying "Ok, well right now we don't have
time to look at it, file a bug (or add yourself to the cc of a
pre-existing bug) and we'll get to it when we can,"  people tend to get
a bit annoyed and frustrated.

But, seriously, congratulations on the performance gains for Courier, 
better than halving loading times is very impressive.

-- 
Marcus Brubaker <aurelius marcus rogers com>