Just a view from a far.. but I believe I have seen MRTG used effectively to monitor bandwidth, spam, etc. Wouldn't this give a realistic 'view' of bandwidth utilization?
~Rick ----- Original Message ----- From: "Len Conrad" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, September 03, 2002 10:56 PM Subject: Re[2]: [IMail Forum] IMAIL SERVER QUESTIONS > > > > nobody knows their SMTP bandwidth. > > > >I bet you do. > > only by counting mbytes in/out for an hour and dividing by 3600 secconds. > > > > For his current number of 10K users, he should be able to tell us many > > msgs > > > in and out of his mail server. > > > >Not as useful as actual bytes. > > sure it is. avg msg size for 10K users isn't going to vary tremendously > from site to site. > > The expensive part of msg processing is disk i/o, the per-msg: > > file SMTPD queue file create + > > SMTP file find +open + > > SMTP .mbx find + open + seek EOF + append > > SMTP delete queue file. > > It doesn't really matter if the file avg size is 1k or 10k in all the > directory traversing and head movement. > > and that's just the SMTPD/SMTP, gotta do it all again for POP and webmail > access. > > >For an SMB, perhaps a tall order to ask > >for this metric (though it's in that sector that users are quite > >likely to use SMTP as if it's FTP, I've found). If you're sizing your > >ISP's infrastructure, a little monitoring is called for. I can't see > >making "scaleability" promises to customers or investors without this > >information. > > I think he should forget about the clustering for now (we know that people > in this list have clustered Imail, but that's a clustering project, not an > Imail project), and just do the migration to Imail + IMGate + AV and get > all that stabilized and the users doing mail on the new system, and his > admin people doing the admin. > > Then later, add the clustering, which is much a smaller piece than all the > above, because the above involving the users where clustering is backroom > plumbing that the users don't see. > > Len > > > ____________________________________________________________________ > www.menandmice.com/DNS-training : DNS Training > BIND8NT.MEIway.com: Secure config ; DNS and mail interactions > IMGate.MEIway.com : Free, proven config for anti-mail-abuse gateways > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > ___________________________________________________________________ > Virus Scanned and Filtered by http://www.FamHost.com E-Mail System. > > ___________________________________________________________________ Virus Scanned and Filtered by http://www.FamHost.com E-Mail System. To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
