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Date:      Tue, 1 Sep 2009 15:41:47 -0500
From:      Dan Nelson <dnelson@allantgroup.com>
To:        Bill Moran <wmoran@potentialtech.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: memory usage displsy
Message-ID:  <20090901204147.GC2855@dan.emsphone.com>
In-Reply-To: <20090901162931.d85ec256.wmoran@potentialtech.com>
References:  <4A9D8057.8020307@intersonic.se> <20090901162931.d85ec256.wmoran@potentialtech.com>

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In the last episode (Sep 01), Bill Moran said:
> In response to Per olof Ljungmark <peo@intersonic.se>:
> > What is a good way to find out how memory is used? Have a 6.4 box where
> > memory is used by something but I fail to see what is using it - tried
> > different switches to ps(1), tried the stat tools but a big chunk of
> > memory does not show at all.
> > 
> > A proper tool for analyzing memory usage "live", this is a production
> > box?
> 
> I've always been able to get what I need from top.  You can do -o res to
> sort by resident memory usage, which helps.

ps will sort by memory usage when given the -m flag.  Also check ipcs -a to
see if there are any sysv shared memory segments hanging arnound.  If you
don't see anything using the memory, where are you seeing that "something"
is using it?

-- 
	Dan Nelson
	dnelson@allantgroup.com



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