Re: [ovirt-users] ksmd high cpu usage from almost a week with just one vm running

From: "mad Engineer" <themadengin33r(a)gmail.com&gt; To: "Markus Stockhausen" <stockhausen(a)collogia.de&gt; Cc: "users" <users(a)ovirt.org&gt; Sent: Saturday, December 6, 2014 6:13:20 PM Subject: Re: [ovirt-users] ksmd high cpu usage from almost a week with just one vm running Thanks for the info Markus free -g total used free shared buffers cached Mem: 47 32 14 0 0 0 % of usage is 68 . Why is ksmd not sleeping.Do you have any idea? regards, On Sat, Dec 6, 2014 at 8:45 PM, Markus Stockhausen <stockhausen(a)collogia.de&gt; wrote: > Memory usage > 80%: ksm kicks in. There it will run at full speed until > usage is below 80%. There is an open BZ from me. Bad behaviour is > controlled > by mom. > > Markus > > Am 06.12.2014 15:58 schrieb mad Engineer <themadengin33r(a)gmail.com&gt;: > > Hello All, > I am using centos6.5 x64 on a server with 48 G RAM and 8 > Cores.Managed by Ovirt > There is only one running VM with RAM 34 G and with 6 VCPU (pinned to > proper numa nodes) > > from top > > top - 06:42:48 up 67 days, 20:05, 1 user, load average: 0.26, 0.20, 0.17 > Tasks: 285 total, 2 running, 282 sleeping, 0 stopped, 1 zombie > Cpu(s): 1.0%us, 1.4%sy, 0.0%ni, 97.5%id, 0.1%wa, 0.0%hi, 0.0%si, > 0.0%st > Mem: 49356468k total, 33977684k used, 15378784k free, 142812k buffers > Swap: 12337144k total, 0k used, 12337144k free, 343052k cached > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 101 root 25 5 0 0 0 R 27.4 0.0 5650:04 [ksmd] > 26004 vdsm 0 -20 3371m 64m 9400 S 9.8 0.1 1653:27 > /usr/bin/python /usr/share/vdsm/vdsm --pidfile /var/run/vdsm/vdsmd.pid > 20963 qemu 20 0 38.5g 33g 6792 S 3.9 71.6 5225:43 > /usr/libexec/qemu-kvm -name Cinder -S -M rhel6.5.0 -cpu Nehalem > -enable-kvm -m 34096 -realtime mlock=off -smp > 6,maxcpus=160,sockets=80,c > > from /sys/kernel/mm/ksm > pages_unshared 7602322 > pages_shared 207023 > pages_to_scan 64 > pages_volatile 31678 > > Any idea why ksmd is not coming to normal CPU usage ,on a different > server ksmd was disabled and for testing when i enabled it initially > CPU usage was high but later settled down to 3% ,in that host i have 4 > VMs running. > > Before turning off ksmd can any one help me find out why ksmd is > behaving like this.Initially it had 2 virtual machines,because of high > CPU utilization of this guest other is migrated to another host. > > Thanks > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users _______________________________________________ Users mailing list Users(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/users