RE: [mv] Is it normal for minivend to spawn several processes? (a BSD issue?)

["Christopher Thompson" <ct@arborinternet.com>]

******    message to minivend-users from "Christopher Thompson" <ct@arborinternet.com>     ******

I noticed seeing multiple copies of minivend and the CGI script in my
process table during a DOS type attack recently. I had to take the catalog
offline until I blocked the IP address because it would gradually fill up
the process table with minivend and the CGI script processes (FreeBSD).
The catalog does not use frames (I noted you mentioned that). Is what
happens when the system gets overwhelmed with minivend requests?


> -----Original Message-----
> From: owner-minivend-users@minivend.com
> [mailto:owner-minivend-users@minivend.com]On Behalf Of Mike Heins
> Sent: Wednesday, May 17, 2000 1:38 PM
> To: minivend-users@minivend.com
> Subject: Re: [mv] Is it normal for minivend to spawn several processes?
> (a BSD issue?)
>
>
> ******    message to minivend-users from Mike Heins
> <mikeh@minivend.com>     ******
>
> Quoting Mark Stosberg (mark@summersault.com):
> > ******    message to minivend-users from Mark Stosberg
> <mark@summersault.com>     ******
> >
> > Mike Heins wrote:
> > >
> > > You say "basically empty box". But without the output of
> vmstat or the
> > > your complete "top" header, we cannot see how much memory
> you have and
> > > where swap is sitting.
> >
> > You're right Mike. I should have thought to mention that in the first
> > message. Here are the details, grepped from dmessage:
> >
> > Celeron (332.59-MHz 686-class CPU)
> > dmesg.today:real memory  = 33554432 (32768K bytes)
> > dmesg.today:avail memory = 29503488 (28812K bytes)
> >
> > So that looks like about 28 Megs of available memory. That was a lot
> > lower than I thought. :) I expected there was at least 64 Megs in the
> > machine.
> > 	Do think this is the bottleneck? Everything else seems
> fairly standard
> > (except maybe for using FreeBSD instead of Linux and INET instead of
> > UNIX sockets).
>
> 64 M is not much, especially if you are running X on the machine. If it
> is not running X, then you could scrape by without too much
> pain. But with
> X you will be painfully slow. And it is simply not enough RAM
> for a production
> server unless traffic will be very light.
>
> --
> Internet Robotics, 131 Willow Lane, Floor 2, Oxford, OH  45056
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