Kvm swapping even if vm.swappiness = 0


#1

I have a 64gb ram node running centos 6.5 latest updates
for whatever reason i have 1gb swap
it runs a solusvm slave with kvm boxes set up and running
i have vm.swappiness=0 in sysctl.conf and also manually set it.

the qemu-kvm pids are eating swap though and once it fills they get killed prolly by the kernel
here’s a top withy Op[enter]

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ SWAP COMMAND 7394 qemu 20 0 1447m 734m 5024 S 0.7 1.1 6:20.96 28m qemu-kvm 8028 qemu 20 0 1438m 725m 4984 S 0.3 1.1 6:30.10 26m qemu-kvm 12901 qemu 20 0 1430m 717m 4984 S 0.3 1.1 9:09.98 24m qemu-kvm 4873 qemu 20 0 1443m 723m 4984 S 0.3 1.1 6:25.04 23m qemu-kvm 13449 qemu 20 0 1431m 719m 5012 S 0.3 1.1 7:06.87 22m qemu-kvm 14323 qemu 20 0 1423m 713m 4984 S 0.3 1.1 7:09.72 22m qemu-kvm 5928 qemu 20 0 1425m 729m 4984 S 0.3 1.1 8:49.56 22m qemu-kvm 4566 qemu 20 0 1427m 718m 5024 S 0.7 1.1 6:18.85 21m qemu-kvm 10016 qemu 20 0 1440m 734m 4984 S 0.3 1.1 8:47.30 20m qemu-kvm 5472 qemu 20 0 1448m 738m 4968 S 0.0 1.1 6:09.98 20m qemu-kvm 11653 qemu 20 0 1441m 736m 4984 S 0.7 1.1 7:01.75 19m qemu-kvm 11294 qemu 20 0 1418m 696m 5020 S 0.3 1.1 6:44.25 19m qemu-kvm 8197 qemu 20 0 1420m 711m 4984 S 0.3 1.1 6:42.44 18m qemu-kvm 9065 qemu 20 0 1414m 703m 4984 S 0.7 1.1 6:35.18 18m qemu-kvm 11697 qemu 20 0 1438m 734m 4984 S 0.3 1.1 6:47.51 17m qemu-kvm 7783 qemu 20 0 1410m 692m 5012 S 0.3 1.1 7:23.72 17m qemu-kvm 13293 qemu 20 0 1438m 729m 4984 S 0.3 1.1 6:47.02 16m qemu-kvm 14265 qemu 20 0 1397m 685m 4984 S 0.3 1.1 7:32.01 15m qemu-kvm 9752 qemu 20 0 1437m 735m 4984 S 0.3 1.1 6:32.41 15m qemu-kvm 12508 qemu 20 0 1420m 702m 4984 S 0.0 1.1 6:42.94 15m qemu-kvm 5173 qemu 20 0 1389m 668m 4984 S 0.0 1.0 8:43.02 13m qemu-kvm 6833 qemu 20 0 1407m 695m 4984 S 0.3 1.1 6:38.56 12m qemu-kvm 14733 qemu 20 0 1418m 711m 5016 S 0.3 1.1 7:41.34 11m qemu-kvm 9381 qemu 20 0 1433m 731m 4984 S 0.0 1.1 6:38.84 11m qemu-kvm 6234 qemu 20 0 1391m 674m 4984 S 0.3 1.0 6:41.55 7648 qemu-kvm 6533 qemu 20 0 1414m 712m 4984 S 0.3 1.1 6:12.78 5740 qemu-kvm

how can i prevent this ?
the box still has 15 GB free ram so it must be ok… right ?
please point me in the right direction

Regards