Date: Sat, 17 Nov 2018 14:53:46 -0800 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Rebecca Cran <rebecca@bluestop.org> Cc: freebsd-hackers Hackers <freebsd-hackers@freebsd.org> Subject: Re: 13-CURRENT: several GB swap being used despite plenty of free RAM Message-ID: <201811172253.wAHMrkgl003187@slippy.cwsent.com> In-Reply-To: Message from Rebecca Cran via freebsd-hackers <freebsd-hackers@freebsd.org> of "Sat, 17 Nov 2018 14:44:41 -0700." <1748688.u6MfGjpqfb@photon.int.bluestop.org>
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In message <1748688.u6MfGjpqfb@photon.int.bluestop.org>, Rebecca Cran via freeb sd-hackers writes: > I'm running 13-CURRENT from a few days ago. I noticed the system using severa > l > GB of swap despite having 90GB RAM still free. I know FreeBSD will use *some* > , > but 3450MB seems excessive when there's still 90GB RAM free. > > CPU: 0.1% user, 0.0% nice, 0.0% system, 0.0% interrupt, 99.8% idle > Mem: 3392M Active, 5489M Inact, 390M Laundry, 25G Wired, 90G Free > ARC: 19G Total, 8080M MFU, 9242M MRU, 64K Anon, 197M Header, 1570M Other > 15G Compressed, 26G Uncompressed, 1.73:1 Ratio > Swap: 8192M Total, 3450M Used, 4742M Free, 42% Inuse, 36K In > > Quitting firefox caused the swap usage to drop to just 460MB. I don't > understand why it would decide to swap out so much, especially since I have > vm.swap_idle_enabled set to 0. Were you by chance building any ports at the time? Or, possibly extracting a tarball? -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: http://www.FreeBSD.org The need of the many outweighs the greed of the few.
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