[imp] ImapProxy at medium-sized installation.

Christopher Crowley ccrowley at tulane.edu
Thu Dec 12 11:05:20 PST 2002


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Okay, I will check this out after making some changes on this side,
as I mentioned previously, I am going to dedicate a server to perform
the imapproxy, and see if the same behavior is replicated.

Christopher Crowley
TIS Network Services
Tulane University
ccrowley@tulane.edu
504.314.2535
PGP Key ID: 0x7CF18FDB



- ----- Original Message ----- 
From: "Eric Rostetter" <eric.rostetter@physics.utexas.edu>
To: <imp@lists.horde.org>
Sent: Wednesday, December 11, 2002 4:53 PM
Subject: Re: [imp] ImapProxy at medium-sized installation.


> Quoting Christopher Crowley <ccrowley@tulane.edu>:
> 
> > But, after about 15 minutes of  use, ImapProxy hung. I saw it was
> > using substantial CPU, but wasn't able to gather much additional
> > data.  I plan to revist the test, dedicating an Ultra-60 w/ 2 CPU
> > and 2Gb RAM server to the ImapProxy server.
> > 
> > Has anyone succesfully implemented ImapProxy in an environment of
> > 1000 concurrently active sessions, and 6,000 daily IMP users?
> 
> I see two possible situations:
> 
> 1) You found a bug, which I think might exist, with messages having
> nulls  
> 
> 2) You hit some kind of process limit (open files, sockets, etc)
> 
> So can you see if by any chance when you get N sufficiently large
> (e.g. 1000  connections) you are running out of some resource (open
> file descriptors, network sockets, memory, stack, etc)?
> 
> I can't test such things as my user base is too small.
> 
> -- 
> Eric Rostetter
> The Department of Physics
> The University of Texas at Austin
> 
> Why get even? Get odd!
> 
> -- 
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