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Date:      Thu, 26 Aug 1999 13:40:46 -0700
From:      David Greenman <dg@root.com>
To:        chas <panda@skinnyhippo.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: High Inactive memory levels - cause for concern ? 
Message-ID:  <199908262040.NAA03018@implode.root.com>
In-Reply-To: Your message of "Thu, 26 Aug 1999 17:01:03 %2B0900." <3.0.5.32.19990826170103.009bab00@mail.skinnyhippo.com> 

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>Just to follow up - at peak load, the figure for Inactive
>memory is even worse :
>
>ast pid: 98274;  load averages:  0.84,  0.76,  0.67  
>142 processes: 1 running, 135 sleeping, 6 zombie
>CPU states: 48.2% user,  0.0% nice, 15.6% system,  0.0% interrupt, 36.2% idle
>Mem: 31M Active, 307M Inact, 23M Wired, 20M Cache, 8345K Buf, 122M Free
>Swap: 700M Total, 700M Free
>
>
>Am I going to get to the stage where Free memory is zero
>and all of it is 'inactive' ? If so, what proactive measures
>would you advise ?

   I dunno - have a soda and be happy, I guess. Free memory being near zero
is usually a good thing since it means that your memory is being used
effectively. FreeBSD uses all otherwise free memory for file caching, and
you can't determine the breakdown of caching vs. mmap pages, etc, by looking
at the page queues.

-DG

David Greenman
Co-founder/Principal Architect, The FreeBSD Project - http://www.freebsd.org
Creator of high-performance Internet servers - http://www.terasolutions.com
Pave the road of life with opportunities.


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