Enterprise scalability

Michael Baird mike at TC3NET.COM
Thu Feb 26 13:43:12 GMT 2004


It's per blade, they do about a 1GB a day it appears, average message
size is 6.2k according to my stats. As I said I'm using a NFS share over
10/100, each blade has 1GB of mem. Your sytem is significantly more
powerful then any of my blades, SCSI local disk and a P4 Xeon.

Regards
MIKE


On Thu, 2004-02-26 at 05:56, Randal, Phil wrote:
> Is that 200,000 per blade?  What sort of volume in GB are we talking about?
>
> Just curious.
>
> We're handling about 8600 messages a day, 560MB on a single P4 Xeon 2.4GHz,
> 1GB RAM, tmpfs and hardware mirrored SCSI disks with a load average around
> 0.5 (box is also running squid for around 800 users).
>
> Cheers,
>
> Phil
>
> ---------------------------------------------
> Phil Randal
> Network Engineer
> Herefordshire Council
> Hereford, UK
>
> > -----Original Message-----
> > From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK]On
> > Behalf Of Michael Baird
> > Sent: 25 February 2004 21:41
> > To: MAILSCANNER at JISCMAIL.AC.UK
> > Subject: Re: Enterprise scalability
> >
> >
> > You would need a lot of mighty boxes to handle that kind of volume. I
> > use blades, so when my volume gets to a certain level, I just image in
> > another one, and mx to it as well (to a centralized NFS spool). My
> > blades are PIII-1200, I can handle without delay running
> > mailscanner/spamassassin, and using tmpfs for the queue.in 200,000 per
> > day, I'm using McAfee to do virus scanning as well, the machines only
> > handle inbound mail, no outbound relay is allowed.
> >
> > Regards
> > MIKE
> >
> > > If I were implementing in this type of environment, I would break it
> > > up into more manageable chunks.  First, figure out roughly how many
> > > messages are processed each day.  If you are expecting 500,000 users
> > > who will receive on average 75 messages per day you are looking at
> > > about 37,500,000 messages per day (that's a lot of mail).  You can
> > > build boxes fairly cheaply for handling a fraction of that mail, say
> > > 1,000,000 messages per day.  Get yourself 40 boxes, some load
> > > balancing tools, a way to manage the configuration files easily and
> > > you are in business.  There were some threads within the
> > past 3 months
> > > about average load with hardware descriptions that you will find
> > > somewhat helpful.
> > >
> > > > -----Original Message-----
> > > > From: Forrest Aldrich [mailto:forrie at FORRIE.COM]
> > > > Sent: Wednesday, February 25, 2004 1:01 PM
> > > > To: MAILSCANNER at JISCMAIL.AC.UK
> > > > Subject: Enterprise scalability
> > > >
> > > >
> > > > I'm looking to evaluate a scalable scanning solution - the
> > > > tune of 100's of thousands of users - and I wonder if anyone
> > > > here can share their successes (and nightmares) with regard
> > > > to MailScanner and its auxiliary
> > > > tools (SA is another worry).   I'm looking into Qmail at
> > > > first, as we've
> > > > a need for virtual mailboxes (5 per user), etc.
> > > >
> > > > I'm concerned about how perl might behave in this type of
> > > environment.
> > > >
> > > >
> > > > Thanks.
> > > >
> > >
> >
>



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