RE: [vchkpw] [OT] vpopmail cluster + LVS experience
We do about that many connections now without any problems. This is on a Dual PIII-866 with 1.5gigs of RAM. Using a IDE DMA100 drive for the system and a raid for the mail. There are a few patches I had to apply to qmail for it to keep up with a mail however. --- Brad Dameron Network Account Executive TSCNet Inc. www.tscnet.com Silverdale, WA. 1-888-8TSCNET > -Original Message- > From: Davide Giunchi [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, September 24, 2002 4:40 AM > To: [EMAIL PROTECTED] > Subject: [vchkpw] [OT] vpopmail cluster + LVS experience > > > Hello. > > What about LVS w/ qmail+vpopmail for load-balancing and ha of > SMTP and POP3 > services ? > I'm worried about the ability of LVS to support ~ 300 POP3 + 200 SMTP > concurrent connections. > The use of LVS will make the administrator's live easier for > load-balancing > feature and high-availability capacity of lvs with mon, but what about > performance of the single load balancing server that will get a lot of > connections? > > Any advice will be appreciate. > > Regards > > -- > Davide Giunchi. >
Re: [vchkpw] [OT] vpopmail cluster + LVS experience
* Davide Giunchi <[EMAIL PROTECTED]> [020924 13:40]: > Hello. > > What about LVS w/ qmail+vpopmail for load-balancing and ha of SMTP and POP3 > services ? > I'm worried about the ability of LVS to support ~ 300 POP3 + 200 SMTP > concurrent connections. > The use of LVS will make the administrator's live easier for load-balancing > feature and high-availability capacity of lvs with mon, but what about > performance of the single load balancing server that will get a lot of > connections? If you use DR (Direct Routing) there is very little data between the client and the router. For a deeper description se: http://www.linuxvirtualserver.org/VS-DRouting.html Joseph Mach has done some performance testing and have documented it at: http://www.linuxvirtualserver.org/Joseph.Mack/performance/single_realserver_performance.html Patrick O'Rourke and Mike Keefe at Mission Critical Linux have an exelent document about LVS performance at: http://www.linuxvirtualserver.org/performance/lvs.ps.gz -- .Fredrik Steen - http://www.stone.nu/ -
