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From: Doug Hardie <bc979@lafn.org>
Date: Sun, 1 Aug 2010 14:40:00 -0700
To: RW <rwmaillists@googlemail.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Question on Swapping
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On 1 August 2010, at 03:42, RW wrote:

> On Sun, 1 Aug 2010 01:12:27 -0700
> Doug Hardie <bc979@lafn.org> wrote:
> 
>> I have a question about what I am seeing on several servers.  These
>> are 4 core machines with more than the needed memory.  Load is never
>> above .5 and memory usually shows over half free.  I have never seen
>> it even close to the limit (including buffers).  Basically these are
>> lightly used servers.  However, top often shows after a few weeks of
>> uptime that some of the unused gettys are swapped out. 
> 
> Do you have vm.swap_idle_enabled?

No it is set to 0.