[squid-users] Load average problem

From: Maxime Gaudreault <mgaudreault_at_reference.qc.ca>
Date: Fri, 22 May 2009 16:06:57 -0400

Hi list,

I have a squid+squidguard server.

When I make some changes on my "custom" blacklist I run these commands:

/usr/bin/squidGuard -c /etc/squid3/squidGuard.conf.local -C all
/bin/chown -R proxy:proxy /var/lib/squidguard/db
/usr/sbin/squid3 -k reconfigure

To apply the changes. My problem is that load average gets very high
during a long time. The faulty command is the last one: /usr/sbin/squid3
-k reconfigure

Here is the timeline:

I run "/usr/sbin/squid3 -k reconfigure"
After 50secs load average is 5
After 1m23 load average is 9.5
After 2m00 load average is 12
After 2m55 load average is 14
After 3m40 14.90 (peak)
It starts to get down 4m30sec later
After 4m55 load average is 12.2
After 5m35 load average is 10.45
After 5m45 load average is 8.85
After 6m00 load average is 6.89
After 6m30 load average is 4.17
After 7m00 load average is 2.53
After 7m30 load average is 1.53
After 8m00 load average is 0.93

It takes 8 minutes before the load average gets back to 0. During this
time, CPU is not always 100%. Most of the time it's 0-10% with some
peak.

I can't browse during these 8 minutes.

Can someone help me ?
Received on Fri May 22 2009 - 20:07:06 MDT

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