Re: [Exim] Heavily loaded sites

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Autor: yann
Fecha:  
A: Alex Povolotsky
Cc: exim-users
Asunto: Re: [Exim] Heavily loaded sites
On Tue, Mar 07, 2000 at 03:56:23PM +0300, Alex Povolotsky wrote:
> Does anyone run mailservers with 4 message/second DAILY AVERAGE (peak
> information not available yet)?


Yes, it's called freeserve.

> If so, can you tell me hardware configuration and bottlenecks experienced?


Where you keep those emails is one issue. Make sure you have a good
structures for them (ie not mailbox format, not is [a-z]/[a-z] dir,
etc...). If the home spool is NFS mounted, make sure your network is
good enough.

Second, disk IO is the limite. I've heard good things about Raid 0+1 (or
1+0 depends on what you use) as opposed to raid 4/5. What about solide
state disk?

Third, make sure that you keep things simple and to a minimum. Watch out
for how many files are going to be read each time an email goes through.

Best fo all, RTFM and tune your system.

Best of luck.

-- 
Yann Golanski                               Internet Systems Developer
PGP: www.kierun.org/pgp/key                 Mailmaster for the Planet Online