There is a customized DLL (by someone on this list) that solves these
problems. I can't remember who or the URL to get though. If someone would
send it to me directly (off this list) I will see if I can get it posted on
the web site.
Eric S
----- Original Message -----
From: Wayne Maw <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, December 15, 1999 1:55 PM
Subject: Re: [IMail Forum] Scalability
>
> ----- Original Message -----
> From: "STEVEN MOORE (IFL)" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: 15 December 1999 17:12
> Subject: RE: [IMail Forum] Scalability
>
>
> > Hi Wayne,
> >
> > We probably run user counts of the same order of magnitude on Imail
> however
> > over many smaller (though still beefy) servers, we are looking to get
> better
> > use out of our servers and scale the number of users up, whilst using
SQL
> to
> > allow better administration.
> >
> > Is there any particular part of the Imail software that falls over more
> > often.
>
> pop3 requests stop authenticating.
>
> > In particular I'd be really interested in problems you've experienced
with
> > the IMAP4 and SMTP services.
> > Also is this the standard ODBCuser.dll or a custom fixed version?
>
> standard.
>
> with a work around for the fact that it won't work multi-processor/
threaded
> correctly.
>
> 1 in 3 auths fail due to cursor conflict:
>
> http://support.microsoft.com/support/kb/articles/q175/9/04.asp
>
> so we have to direct it via an access db with linked tables.
>
> >
> > As an aside we experience some problems whilst hammering a competing,
but
> > similar, product when the amount of active threads or handles were
pretty
> > large (1000+, 2 processors), windows NT seemed to lose connection to
> shares
> > and other RPC based systems. We basically put this down to the ratio of
NT
> > server threads to application/service threads, we didn't get much
evidence
> > though.
> >
> Not noticed anything like that..
>
> >
> > As an other aside I would wonder what happens when the dll is being
called
> > by many threads at once to provide connections to the SQL server. The
> > documentation for the dll seems to suggest that it is kept active after
> the
> > first connection, I wonder if it can handle multiple threads at all. (I
do
> > not really know enough about multithreading to comment on this last
bit.)
> >
> >
> > Thanks for any experiences you had.
> >
> >
> >
> > Steven Moore
> >
>
> Wayne.
> {Callnetuk.com Admin}
>
>
>
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