Date: Wed, 15 Feb 1995 15:25:26 -0800 From: David Greenman <davidg@Root.COM> To: Ed Hudson <elh@p5.spnet.com> Cc: hackers@FreeBSD.org Subject: Re: 950210-SNAP, VM Free Message-ID: <199502152325.PAA00519@corbin.Root.COM> In-Reply-To: Your message of "Wed, 15 Feb 95 11:38:39 GMT." <199502151138.LAA00446@p5.spnet.com>
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> my apologies for my previous incomplete mail message. > i was trying out a feature i hadn't used before in my mail > system... > > but i am having a problem with disappearing memory space. > > i'm running 950210-SNAP, and i'm experiencing a significant > VM free memory leak, just doing normal long (big) compiles. > > here's what top thinks before and after the long compile. > after the compile, the system is quiet: > > load averages: 0.07, 0.03, 0.01 11:07:00 > 41 processes: 1 running, 40 sleeping > > --->>> Memory: 14M Act 1520K Inact 2860K Wired 13M Free > (before) > > > > load averages: 0.33, 0.59, 0.57 11:01:42 > 48 processes: 1 running, 47 sleeping > > --->>> Memory: 15M Act 1192K Inact 3220K Wired 3812K Free 3% Swap > (after) > > 11:01AM up 1:38, 5 users, load averages: 0.33, 0.59, 0.57 > > > Free space has lost about 10mbytes ! There is a new category which top isn't reporting called "cached" memory. It's the amount of memory for "cached" pages - usually filesystem data via the merged VM/buffer cache. Don't worry, you haven't lost any memory - the system is better at using most of "free" memory for file caching. An updated "vmstat -s" will show you the real numbers. -DG
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