> You do realize that every mouse click on an item or folder in RC (or
> almost every click) sends an IMAP login to the server, and a logout
> after the command has completed, don't you?

Nope. :)

> Given the fact your RC server is remote, I'm kinda shocked you don't
> have imapproxy installed already.

Ha! :)
Alright, so I'll have the sysadmin install imapproxy and see how that
affects the performance. I wasn't aware that *not having this bad boy
run could possibly be of major performance impact.
I'll report back here as soon as this is installed.

Thanks for the hint!

Cheers,
Nico




On Tue, Sep 14, 2010 at 3:49 PM, Stan Hoeppner <s...@hardwarefreak.com> wrote:
> Nico Schlömer put forth on 9/14/2010 1:51 PM:
>
>> The IMAP server in the present setup is installed in some physical
>> distance to the RoundCube server I believe, it's running some
>> Microsoft thing and generally I would say is not well administered.
>> This could potentially be the culprit (but wouldn't explain why it's
>> still slow with caching enabled). Is there any way I could test or
>> benchmark this?
>
> With no details of the server available, the only other thing you can do
> on the RC box to possibly increase performance is install imapproxy,
> which will eliminate the constant log on/off cycles of this stateless
> web app.
>
> You do realize that every mouse click on an item or folder in RC (or
> almost every click) sends an IMAP login to the server, and a logout
> after the command has completed, don't you?
>
> logon -> command -> logoff  for just about every mouse click in RC
>
> This constant authentication and IMAP process creation/tear down put one
> helluva load on an IMAP server, assuming it's not a hobby server, and
> likely especially, any MS server running a Win32 IMAP server.  If the
> IMAP server is the Exchange component, doubly so.
>
> Given the fact your RC server is remote, I'm kinda shocked you don't
> have imapproxy installed already.
>
> http://imapproxy.org/
>
> --
> Stan
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