Date: Mon, 6 Nov 2006 11:22:02 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: Roselyn Lee <rosel@verniernetworks.com> Cc: freebsd-questions@freebsd.org Subject: Re: free memory keeps going down on 5.4-release Message-ID: <20061106172202.GA10341@dan.emsphone.com> In-Reply-To: <12394E9FCB7C8441BB238D7F67B402E469856C@exch2.verniernetworks.com> References: <12394E9FCB7C8441BB238D7F67B402E469856C@exch2.verniernetworks.com>
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In the last episode (Nov 06), Roselyn Lee said: > We're running freebsd 5-4 release and notice that an idle system's > free memroy keeps decreasing. The system has 1 GB memory and the > free mem starts at ~700M and goes down steadily until it hits 2M and > stays there. After that bringing up more apps on the system doesn't > seem to make the free memory any smaller. I checked top and vmstat > -m, vmstat -z and can't see where all that memory is going. Does > freebsd use memory for disk caching that is not accounted for in > these stats? Yes, free memory is used as cache. As "Free" decreases, you will see "Inact, "Cache" and "Buf" increase. -- Dan Nelson dnelson@allantgroup.com
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