Date: Thu, 14 Nov 2019 22:24:59 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: FreeBSD stable <freebsd-stable@freebsd.org> Subject: bhyve memory leak in stable/11 Message-ID: <7fddcea5-2188-afe1-3ea9-a53dffdbec32@grosbein.net>
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Hi! After 1 day and 11 hours of host's uptime I observe significant leak of bhyve instances RSS: PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 66668 root 34 20 0 60320M 58866M kqread 21 62.0H 692.35% bhyve: sappdev (bhyve) 5546 root 26 20 0 22573M 22088M kqread 12 310:39 6.41% bhyve: srdapp01 (bhyve) 3842 root 20 20 0 15946M 15862M kqread 13 340:36 14.03% bhyve: sdc01 (bhyve) 4729 root 20 20 0 13792M 13455M kqread 8 79:40 1.02% bhyve: skms01 (bhyve) 4283 root 28 20 0 12721M 12682M kqread 29 92:23 0.80% bhyve: sfile01 (bhyve) 8057 root 34 20 0 8512M 8183M kqread 25 186:52 17.02% bhyve: ssql01 (bhyve) 23336 root 34 20 0 16418M 7716M kqread 14 114:23 17.62% bhyve: solap (bhyve) The package vm-bhyve-1.2.3 is used here to manage bhyve instances and sappdev.conf has memory=40G limit. srdapp01 is limited to 12G, sdc01 to 4G, skms01 to 2G, sfile01 to 2G, ssql01 to 8G and solap to 16G. Most of are using much more memory than they should. All of them run different versions of Windows servers. The host is 11.3-STABLE/amd64 r354667 with 360G RAM and guest systems use ZFS ZVOLs and vfs.zfs.arc_max=160g. How do I debug this?
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