ARIN Justified...

Joe DeCosta decosta at
Wed Jan 10 22:32:33 EST 2001

apache does support name based vhosts, check the archives for what needs to
be in the conf file for apache....i posted it......aren't man pages awesome?
----- Original Message -----
From: "Clayton Lambert" <Clay at>
To: "'Simon'" <simon at>; "'Virtual IP List'" <vwp at>
Sent: Wednesday, January 10, 2001 5:38 PM
Subject: RE: ARIN Justified...

> You just acknowledged my point.  I am aware of what happens when you add
> and CPU.  But that doesn't affect the "all things being equal" scenario.
> One again, this is slightly off topic.  The policy requirements are not
> same as the particular methodologies of server configuration...If the
> gets updated, then the technical items you are discussing are applicable.
> -Clay
> -----Original Message-----
> From: owner-vwp at [mailto:owner-vwp at]On Behalf Of Simon
> Sent: Wednesday, January 10, 2001 5:17 PM
> To: Virtual IP List
> Subject: RE: ARIN Justified...
> Are you a system admin? how well do you understand how things work on unix
> system? anyways, the more RAM you
> have the bigger your process table can have. The more CPUs you have, the
> more processes you can run at the same
> time. The advantage of running separate daemons per customer is 1)
> and 2) freedom. I don't know where you
> got the extra overhead from. Current apache is not threaded and does
> preforking. In either case, you will have overhead
> unless you have enough preforked processes.
> -Simon
> On Wed, 10 Jan 2001 17:06:30 -0800, Clayton Lambert wrote:
> >There isn't a huge advangate to running multiple daemons on the same
> >box...there is only X amount of proc available regardless of the amount
> >daemons you run...Additionally, there is a per-daemon overhead hit (in
> proc)
> >that you don't have to deal with when you run single daemons per server.
> >
> >-Clay
> >
> >-----Original Message-----
> >From: owner-vwp at [mailto:owner-vwp at]On Behalf Of Simon
> >Sent: Wednesday, January 10, 2001 4:59 PM
> >To: Virtual IP List
> >Subject: Re: ARIN Justified...
> >
> >
> >FYI, you can't run two separate apache daemons on the same port without
> >unique IPs.
> >
> >-Simon
> >
> >On Wed, 10 Jan 2001 18:02:05 -0500, Bill Van Emburg wrote:
> >
> >>Simon wrote:
> >>>
> >>> We have servers with over 5-10 million hits and parse logs daily at
> >night. It takes about 2 hours to parse the logs per
> >>> machine. Mostly due to resolving IPs. To get just the bandwidth, 10
> >million hits log file can be parsed in matter of
> >>> minutes. So, you just need better tools ;-) As for other traffic such
> >FTP, there is a log file which can be parsed, too.
> >>> We actually do this for anonymous FTP. I don't know who charges for
> >POP/SMTP traffic, but same method can be
> >>> implied here to calculate the bandwidth, too. It's matter of having
> right
> >tools for the job. They are out there or you can
> >>> have a programmer write custom set for your needs. Keep in mind, I'm
> >referring to virtual web hosting, not dedicated.
> >>>
> >>
> >>Attempting to parse all those different log files and consolidate the
> >>info is certainly not elegant, nor a particularly great use of CPU, and
> >>again, it does not tell you the actual bandwidth usage, merely the
> >>application-level data.  It gets worse, when you consider that each of
> >>our shared hosting customers has their own, separate web server, ftp
> >>server, etc. running.  Even in shared hosting, each of our customers has
> >>their own distinct server processes.  This very quickly becomes a
> >>logistical nightmare, as well as a larger problem to parse.  Finally,
> >>we're talking about more than double the hits you are describing.  It is
> >>distinctly possible that the tool problems we're having are still
> >>related to sheer volume.
> >>
> >>Something I didn't mention before: we also have to measure streaming
> >>media bandwidth consumption.  Correct me if I'm wrong, but I'm not aware
> >>of a way to do that from log files, for any existing streaming server.
> >>--
> >>
> >>      -- Bill Van Emburg
> >>      Quadrix Solutions, Inc.
> >>Phone: 732-235-2335, x206 (mailto:bve at
> >>Fax:   732-235-2336 (
> >> The eBusiness Solutions Company
> >>
> >
> >
> >
> >

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