[squid-users] performance problem or not ?

I'm running squid (squid-2.6.STABLE6-4.el5) on an old IBM x330
server (2x 1266MHZ PIII, 1GB RAM, 2 mirrored 36GB disks for OS
and 20GB squid-spool), serving set-top-boxes' access to the
internet.

We have a feel for the proxy maybe being slow, but can't really
pinpoint what the problem might be. Could somebody please have
a look at the below numbers to see if something stands out as
a potential performance problem ?

Some stats from calamaris for the last 24 hours:

Proxy statistics
-----------------
Total amount: requests 2818623
unique hosts/users: hosts 3427
Total Bandwidth: Byte 15607M
Max. Bandwidth usage: MBit/sec 4.42
Proxy efficiency (HIT [kB/sec] / DIRECT [kB/sec]): factor 10.45
Average speed increase: % 100.25
TCP response time of 100%% requests: msec 130

Cache statistics
----------------
Total amount cached: requests 2088373
Request hit rate: % 74.09
Bandwidth savings: Byte 8640M
Bandwidth savings in Percent (Byte hit rate): % 55.36
Average cached object size: Byte 4338
Average direct object size: Byte 10004
Average object size: Byte 5806

Incoming request peak
---------------------
429/second
6439/minute
238080/hour

TCP-Request duration distribution
-----------------------------------------
msec hits byte
<= 10 48% 23%
<= 100 85% 60%
<= 1000 99% 86%

File descriptors in use by squid are normally between 50-150, with peaks of
200-1000 once a week.

CPU-usage is seldom above 10%, with 1-2% iowait and less than 1% system cpu.

   -jf
Received on Mon Aug 06 2007 - 02:55:13 MDT