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Re: System perforamance 4.x vs. 5.x and 6.x
- To: "Brett Bump" <bbump_(_at_)_rsts_(_dot_)_org>, "Kris Kennaway" <kris_(_at_)_freebsd_(_dot_)_org>
- Subject: Re: System perforamance 4.x vs. 5.x and 6.x
- From: "Steven Hartland" <killing_(_at_)_multiplay_(_dot_)_co_(_dot_)_uk>
- Date: Thu, 14 Feb 2008 22:45:58 -0000
- Cc: freebsd-performance_(_at_)_freebsd_(_dot_)_org
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----- Original Message -----
From: "Brett Bump" <bbump_(_at_)_rsts_(_dot_)_org>
I would call 120 processes with a load average of 0.03 and 99.9 idle
with 10-20 sendmail processes and 30 apache jobs nothing to write home
about. But when that jumps to 250 processes, a load average of 30 with
50% idle (5-10 second waits on single character ssh echo) a bit busy.
That usually means my heavy pop3 users are checking in at the same time
someone (or 2 or 3) have sent email to the large volume listservs. Proc
stat doesn't show as much as gstat and iostat. Gstat alwasy shows my
drive with /var/mail being 97-100% busy and iostat will always show hi
tps rates, but never anything above 8MB/s (4.10 gave me 30MB/s+).
Are you running any php on your machine? If so did you upgrade php as
well from say 5.1.x => 5.2.x and make use of open_basedir is so
the following thread may be interest:-
PHP with open_basedir performance problem
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