[ovirt-users] VDSM Memory consuption

[Dan Kenigsberg]

On Mon, Sep 01, 2014 at 03:30:53PM +0000, Daniel Helgenberger wrote:
> Hello,
> 
> in my LAB cluster I run into OOM conditions frequently because of a huge
> VDSM process. The memory stats from my nodes right now:
> 
> Node A; running one VM:
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND 
>  3465 vdsm       0 -20 18.6g 9.8g 8244 S 32.1 50.3  27265:21 vdsm                                                                                                                                                  
>  7439 qemu      20   0 5641m 4.1g 4280 S 22.9 20.9  12737:08 qemu-kvm                                                                                                                                              
>  2912 root      15  -5 2710m  35m 5968 S  0.0  0.2   0:04.76 supervdsmServer 
> 
> Node B, running 3 VMs including HosedEngine:
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND 
> 9079 vdsm       0 -20  9.9g 5.0g 7496 S 49.7 43.0  11858:06 vdsm                                                                                                                                                  
>  3347 qemu      20   0 7749m 1.8g 5264 S  4.3 15.8   3:25.71 qemu-kvm                                                                                                                                              
> 18463 qemu      20   0 3865m 415m 5516 R  1.6  3.5 359:15.24 qemu-kvm                                                                                                                                              
> 11755 qemu      20   0 3873m 276m 5336 S 80.5  2.3  21639:39 qemu-kvm
> 
> Basically VDSM consumes more then all my VMs.
> 
> I thought of VDSM as a 'supervisor' process for qemu-kvm?
> 
> I attached recend vdsm logs as well as a screen shot.

Thanks for your report. It sounds like

    Bug 1130045 - Very high memory consumption

which we believe is due to python-ioprocess.