Re: [squid-users] Squid 3.2.2 is available

From: Ralf Hildebrandt <>
Date: Fri, 9 Nov 2012 11:54:50 +0100

* Ralf Hildebrandt <>:
> * Amos Jeffries <>:
> > The Squid HTTP Proxy team is very pleased to announce the availability
> > of the Squid-3.2.2 release!
> I tried 3.2.2 in the same setup as 3.1.21 - same machine, same
> settings, starting with an empty cache_dir.
> While 3.2.2 was working flawlessly during the morning hours (up to about
> 10:30 in the morning), we encountered performance issues when
> approaching noon.
> The average service time skyrocketed from a normal average of 40ms to
> about 350ms and users were reporting huge delays.
> But why? Are there known performance issues with 3.2?
> We're using 4 idential servers in a cluster here, so it's relatively
> easy to reproduce.

Could my performance problems be related to my use of "-N" when
starting squid (from daemontools).

Amos wrote in another thread:

> Because -N means run in the foreground without daemons and workers are
> daemons. upstart, daemontools and other daemon-managers are not able to
> re-start workers when they are hidden away in the background and do not
> play nicely when there is another manager process than themselves.

So, could my use of "-N" to start squid result in some sort of
performance degradation?

Ralf Hildebrandt                   Charite Universitätsmedizin Berlin        Campus Benjamin Franklin              Hindenburgdamm 30, 12203 Berlin
Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155
Received on Fri Nov 09 2012 - 10:55:13 MST

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