Date: Sat, 17 Nov 2018 14:44:41 -0700 From: Rebecca Cran <rebecca@bluestop.org> To: freebsd-hackers Hackers <freebsd-hackers@freebsd.org> Subject: 13-CURRENT: several GB swap being used despite plenty of free RAM Message-ID: <1748688.u6MfGjpqfb@photon.int.bluestop.org>
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I'm running 13-CURRENT from a few days ago. I noticed the system using several
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.
--
Rebecca
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