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Date:      Thu, 2 Oct 2008 09:58:54 -0500
From:      Kirk Strauser <kirk@strauser.com>
To:        freebsd-questions@freebsd.org
Subject:   More RAM for buffers?
Message-ID:  <200810020958.54563.kirk@strauser.com>

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I have an AMD system with 6GB of RAM.  From dmesg:

    usable memory = 6428237824 (6130 MB)
    avail memory  = 6203797504 (5916 MB)

However, most of it is just sitting there when it looks like it could be 
used for buffers or cache:

Mem: 1186M Active, 3902M Inact, 468M Wired, 233M Cache, 214M Buf, 138M Free
Swap: 8192M Total, 900K Used, 8191M Free

Since I've yet to find a great explanation for what the different types of 
memory are, could someone say why all that inactive memory is better than 
using it for cache or buffers?
-- 
Kirk Strauser



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