(forw) [q2servers] Re: Best option for performance
Ok this is the best message I could find from the list I'm still searching for
the one that said he'd done the linux/nt check, bu theres the message
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Date: Tue, 15 Sep 1998 14:21:08 -0700 (PDT)
From: Rhomboid Goatcabin <rhomboid@spacemonster.org>
To: "Quake 2 Servers" <q2servers@list.criticalmass.com>
Subject: [q2servers] Re: Best option for performance
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Do try the Intel pro/100+, I moved a news server and a web server, both
running FreeBSD, to the pro/100+ from 3Com cards (a 905A and a 905B) and
all my alignment, port, and packet requeues went away. The Intel card is a
*great* card and I plan to upgrade all my servers to use them.
If you can do a slim install of NT (no domain controller, no extra
services, no internet info. server, etc.) you will probably see a little
more performance than on Linux. Before I ran my FreeBSD vs. Linux tests on
my 233 it was running NT 4.0 server. My problem was remote administration
and the fact that I had installed all of NT's "server goo" mentioned
above. I'm building another machine and when I do I'll be doing a FreeBSD
vs. NT comparison.
I really don't want to try to start a pissing contest, but Linux's TCP/IP
stack is just a little behind, not by much, but you can tell. When I was
running it I'd get people signing off complaining about "laaaaaggggggg" or
"too laggy for me" or "nice f*ckin lag" during games and they were on ISDN
3 hops from the server. I know it's true because I have ISDN 3 hops away
from the server and my ping to my server would be 500/800 sometimes with
only about 12 people on Linux. Two nights ago I played with 15 other
people on my machine (FBSD) and my ping was 65/110, people were getting
*pissed* hehe, I was an LPB =). What am I saying? It's the *same exact
hardware* - you do the math. Maybe it's not in the TCP/IP stack but it's
in there (Linux) somewhere!
I haven't had a good chance to run NT 4.0 on this hardware so that's my
next project. Scott, you may want to try dual booting Linux and NT on your
machine and alternate days running each. Log on to the box and watch
people's pings, traceroute their IP's to weed out those bozos complaining
about lag when they're 25 hops away =), and just watch what people are
saying. It helps when you've got a router or a machine (Cisco routers can)
that can "ping" using different patterns of UDP. I'd really be curious to
see your experiences with each as I myself am on the hunt for the 'perfect
platform' and FreeBSD is merely the 'best so far'. I know I'm nuts but I'm
actually thinking about trying Intel Solaris next... =) Just for sh*ts and
gr*ns...
Good hunting,
Rhomboid
On Tue, 15 Sep 1998, Scott wrote:
> Here's a good one for you server admins.
>
> I run a Weapons factory Server with the following setup:
>
> AMD k6-300
> Super7 MB with 1 meg cache (can do 100 mhz frontside)
> 64 megs Ram (60ns EDO)
> Maxtor 3.4 gb udma HD
> Linksys etherfast 10/100 PCI net card (running 10 at half duplex)
> Redhat Linux 5.0
>
> My problem is that as the number of clients on the server increases so
> does everyone's ping. For example with 10 people my ping will be about
> 60-80 (isdn). With 16 people it climbs to say 100-120 and if the server
> is full (20 clients) my ping is around 150. This happens to all who
> are on the server and it doesn't matter if they are coming through my
> ISP's T1 or direct to the box like I am (2 hops for me). CPU
> utilization with a full server runs from 40-60%. My questions is this.
> What is my best option for increasing people's ping times without
> choking down the number of clients. This server should be able to hand
> at least 24 clients without any hardware induced lag. I was thinking
> of the following options:
>
> 1. Moving to FreeBSD given the outcome of a recent test conducted by
> Rhomboid that compared Linux and FreeBSD. He found that Linux
> exhibited this exact performance degradation as the # of clients goes
> up.
> 2. Switching to a better NIC like the Intel etherexpress pro/100+ to
> see if that does it (this should also allow full duplex since my
> linksys card causes kernel panics with full duplex mode)
> 3. Moving to NT (assuming that network performance for Qaue2 is better
> with NT).
>
> My question to the list is the following:
> Has anyone done an exact comparison of NT to Linux for a Quake2 server.
> I'm very well versed in NT and have learned enough Linux to admin 2
> servers. I'm quite familiar with Linux's advantages/disadvantages vs
> NT and vise verse. But I'm looking at this specifically in terms of Q2
> performance which is a better platform? Please restrict comments to
> Linux and NT performance not which is best overall etc.. I don't want
> this to turn into a NT vs Linux pissing contest.
>
> Scott
>
>
> /------------------------------------------------------------------
> /- Scott Tyson
> /- tysons@deepwell.com
> /-"Who's Your Doppelganger?"
> /------------------------------------------------------------------
>
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