Can you explain how you do that? The segmenting, I mean...
Thanks.
Lee
> -----Original Message-----
> From: !jeff! [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, July 26, 2000 6:02 PM
> To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: Re: High-Powered Scaling - Was "Milking Every Last Drop..."
>
>
> We further segmented our network so that all the CF Variables
> traffic is on
> its own segment. CFVars, in a high traffic site, becomes the bottleneck
> quite quickly. It does an update on almost every request to your
> multitude
> of web servers. By segmenting that traffic, and dedicating a
> beefy machine
> to that purpose, your other backend traffic will be able to move around a
> lot better.
>
> In terms of analysis, I can't give you actual numbers, but I can tell you
> that this approach made it possible to keep our site responsive with 40
> front end CF servers. there is absolutely no way we could have done it
> otherwise.
>
> Also, this approach is pretty much a security requirement.
>
> hope this helps,
> jeff sherwood
> CIO - BIGWORDS, Inc.
>
>
>
>
> At 06:40 PM 7/26/2000 -0600, Jim McAtee wrote:
> >Great post. One thing to add, and one question:
> >
> > >7. Get web log data off the servers nightly. Why store this
> junk on your
> > >web server? Archive it nightly to free space. Also, tune your web
> >server
> > >to only log the stats you ABSOLUTELY need. Otherwise you're wasting
> > >valuable resources on logging junk. Remove this nightly to a
> workstation
> > >with a ton of drive space so it can analyze it off-line. It sounds
> >simple
> > >and obvious, but you'll be surprised how many people don't do this.
> >
> >If you're running a log analyzer, make sure you dedicate a
> separate server
> >to just this task alone. Chewing on enormous web logs and spitting out
> >reports can consume a fair amount of CPU. Given a sufficient amount of
> >disk space, this would be a good place to archive the individual site
> >logs. Don't forget to ZIP them, they'll easily compress in size by a
> >factor of 10 to 20.
> >
> >
> > >9. Network Architecture. Put two NICs in every web server. The first
> >NIC
> > >goes to a high-performance (not a random brand label) 100Mb switch (a
> > >switch, NOT a hub) which then connects to the load balancer
> and then out
> >the
> > >router and any firewall tools you have. This is your outside
> connection.
> > >The second NIC goes to a SEPARATE switch (NOT the one just
> mentioned) to
> > >which your two SQL servers (in a cluster) are connected. This is your
> >"back
> > >end" network. These should be 100Mbps switched so CF can talk
> to SQL as
> > >fast as is possible. By segmenting these two connections, you get the
> >best
> > >performance. Your CF connection can get to SQL as fast as possible
> >through
> > >one means, while IIS is taking the results and getting them to the user
> >as
> > >fast as possible. Diversifying the channels maximizes the
> throughput and
> > >keeps the channels clean.
> >
> >Has anyone done much analysis on this approach? That is, how much
> >performance is actually gained? Say you're using 10 full T1's
> of outgoing
> >bandwidth, this ads up to just 15Mbs of that 100Mbs pipe - and if the
> >ethernet connection is run full duplex, that's 100Mbs in each direction.
> >Keep in mind that most of the internet traffic is outgoing, and most SQL
> >traffic will be in pulling data into the web server. I would think you'd
> >need unbelievable amounts of net traffic before you saw much improvement
> >by moving that traffic off of this link.
> >
> >Jim
> >
> >
> >-----Original Message-----
> >From: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
> >To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
> >Date: Wednesday, July 26, 2000 5:42 PM
> >Subject: High-Powered Scaling - Was "Milking Every Last Drop..."
> >
> >
> > >
> > >
> > >Here are my suggestions
> >
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!j!
The mark of mediocrity is searching for the precedent.
!jeff! sherwood Director of BIGWORDS.com Web Site Design / JEDI
BIGWORDS.com worker#2
.r.e.c.o.v.e.r.e.d.n.e.t.s.c.a.p.e.u.s.e.r. . . . 415.543.1400.x300
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