[Openstack-operators] Strange memory usage

Samuel Winchenbach swinchen at gmail.com
Wed Oct 16 20:25:51 UTC 2013


Hi Joe.  I have deleted that instance (it was no longer needed).  Here is
the next one down on the list:

119       6560  3.4  2.6 9247872 1749336 ?     Sl   Oct15  41:33
qemu-system-x86_64 -machine accel=kvm:tcg -name instance-000001b3 -S -M
pc-i440fx-1.4 -cpu
Opteron_G3,+nodeid_msr,+wdt,+skinit,+ibs,+osvw,+3dnowprefetch,+cr8legacy,+extapic,+cmp_legacy,+3dnow,+3dnowext,+pdpe1gb,+fxsr_opt,+mmxext,+ht,+vme
-m 4096 -smp 4,sockets=4,cores=1,threads=1 -uuid
9627e75b-8d3b-4482-be43-8aba176a3f1f -smbios type=1,manufacturer=OpenStack
Foundation,product=OpenStack
Nova,version=2013.1.3,serial=49434d53-0200-9010-2500-109025007800,uuid=9627e75b-8d3b-4482-be43-8aba176a3f1f
-no-user-config -nodefaults -chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/instance-000001b3.monitor,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control -rtc
base=utc,driftfix=slew -no-shutdown -device
piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive
file=/os-grizzly/nova/instances/9627e75b-8d3b-4482-be43-8aba176a3f1f/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none
-device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
-drive
file=/os-grizzly/nova/instances/9627e75b-8d3b-4482-be43-8aba176a3f1f/disk.swap,if=none,id=drive-virtio-disk1,format=qcow2,cache=none
-device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk1,id=virtio-disk1
-netdev tap,fd=28,id=hostnet0,vhost=on,vhostfd=31 -device
virtio-net-pci,netdev=hostnet0,id=net0,mac=fa:16:3e:45:63:f0,bus=pci.0,addr=0x3
-chardev
file,id=charserial0,path=/os-grizzly/nova/instances/9627e75b-8d3b-4482-be43-8aba176a3f1f/console.log
-device isa-serial,chardev=charserial0,id=serial0 -chardev
pty,id=charserial1 -device isa-serial,chardev=charserial1,id=serial1
-device usb-tablet,id=input0 -vnc 0.0.0.0:6 -k en-us -vga cirrus -device
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6


On Wed, Oct 16, 2013 at 4:07 PM, Joe Topjian <joe.topjian at cybera.ca> wrote:

> Hello,
>
> "ps auxww | grep 19587", or some variation of the command, should give you
> the full command. Can you trace it back to an individual instance?
>
> Thanks,
> Joe
>
>
> On Wed, Oct 16, 2013 at 11:50 AM, Samuel Winchenbach <swinchen at gmail.com>wrote:
>
>> Joe: http://pastie.org/pastes/8407072/text
>>
>> It really looks like qemu-system-x86 is the culprit.   mysqld
>> (Percona/Galera) is using a fair amount too.
>>
>
>
>
> --
> Joe Topjian
> Systems Architect
> Cybera Inc.
>
> www.cybera.ca
>
> Cybera is a not-for-profit organization that works to spur and support
> innovation, for the economic benefit of Alberta, through the use
> of cyberinfrastructure.
>
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