Re: Advice: for a U450

From: Randall Badilla Castro <[email protected]>
Date: Wed, 19 May 1999 19:14:00 -0600 (CST)

On Thu, 20 May 1999, Thilo Manske wrote:

> On Wed, May 19, 1999 at 05:11:39PM -0600, Randall Badilla Castro wrote:
> > I'm using a Sun 450 Entreprise server machine with 128 MB ram, 2
> > GB for squid and a 100 MB FastEthernet Nic directly connected to our
> > 10/100 3com Switch. This machine don't use the swap partition, but I want
> > to increase the responsiness of the machine. (explaining: the machine is
> > hited by ~1000 machines... so the disk is always pumping) I want to know
> > what can improve the machine another 128MB of ram of a second processor
> > just to bound it to the squid process. I need your advice since the memory
> If disk i/o is the bottleneck more RAM or cpu power won't help you much.
>
> My advise: Get additional harddiscs (2GB of webcache is quite small IMHO)
I'm Agree too.. But I only can make one invesmest on this machine by now!

> with small accesstimes (maybe those 10000rpm'ers) and put single cache_dirs
> on each of them (don't do striping/raid).
> Maybe even a second Controller is an idea.
>
> Mount the drives asynchronous with "noatime" option (if possible).
> Put the logdir on a disk without cachedir, e.g. your "bootdisk" with all your
> binaries.
>
> Make sure the vnode/namei-cache is big enough for all subdirs in your
> cache_dirs. (sysctl -w kern.maxvnodes= on BSDish systems.) <- this is my
> idea, I'm not sure if it's a really good one :-)
>
> BTW: How fast is your uplink?
My "hyper-fast" uplink is 128kbps... Yes it is toooooo "fast" but my
budget don't let me upgrade it!

> Is squid the only "big" service this machine is running?
Yes... I bought this machine just for this task!
> --
> Dies ist Thilos Unix Signature! Viel Spass damit.
>

TIA,
Best Regards

OFF-LINE: RANDALL
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Randall Eduardo Badilla Castro
"peluquin"/"corazon negro"
rbadilla@una.ac.cr
Encargado de routers/switches/commservers/ras: UnaNet!!!
Hispanoparlante!
I speak some english!
Watashi wa nihongono gakusei desu!
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Received on Wed May 19 1999 - 19:15:34 MDT

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