Shawn,
Undo the RAID5 and leave them as single disks. Format the disks with
XFS. Use epoll.
Be happy! ;-)
----- Original Message -----
From: "Shawn Wright" <swright@sls.bc.ca>
To: <squid-users@squid-cache.org>
Sent: Wednesday, March 29, 2006 7:29 PM
Subject: [squid-users] Disk performance basics
> Our aging squid proxy is due for replacement, and I am looking to maximize
> performance and stability on the new box. The current platform is this:
>
> Dual P3/733, Mandrake 9.2
> 768Mb RAM
> 4x 9Gb 10k rpm scsi drives on adaptec 3940, 1 for O/S, 3 for cache.
>
> The above has served well for a few years, handling a consistent load of
> ~500
> users, and about 350-450Gb/month of data. (with delay pools on most
> users).
> Long-term MRTG graphing of load shows the system is not CPU bound, with a
> steady avg CPU load of about 20%, avg http & dns times of 75ms, and
> typical
> peak requests/sec of ~60 each day.
>
> Our standard server is a Dell 2850 with 4 or more 15K drives and RAID5.
> Obviously RAID5 isn't needed for the cache, so I'm wondering what is the
> best
> disk option for cache performance in a machine like this, which offers up
> to 6
> drives in a scsi backplane.
>
> Any tips appreciated.
>
> Thanks.
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> Shawn Wright, I.T. Manager
> Shawnigan Lake School
> http://www.sls.bc.ca
> swright@sls.bc.ca
>
>
>
Received on Wed Mar 29 2006 - 16:35:00 MST
This archive was generated by hypermail pre-2.1.9 : Sat Apr 01 2006 - 12:00:04 MST