[libvirt] How about realize domainSetBlockIoTune by cgroup?

hzguanqiang at corp.netease.com hzguanqiang at corp.netease.com
Wed Aug 28 01:47:05 UTC 2013


On 2013-08-28 09:43 , Gao feng wrote:
On 08/27/2013 12:10 PM, hzguanqiang at corp.netease.com wrote:
> Hello experts,
>  
> It seems that blkiotune of kvm domain is set through qemu now, and We found there are some throttle shaking problem when using this interface.
>  
> As you can do the same thing through blkio cgroup, and this sounds to show better performance, Can we realize domainSetBlockIoTune by cgroup just like interface domainSetBlkioParameters ? Or Add a new
> interface to support setting disk IOtune by blkio cgroup?
>  

You mean blkio.throttle.[write|read]_bps_device?
libvirt doesn't support this interface of block cgroup now.

Maybe we can implement this feature.


Yes, That's exactly what I mean. If this feature is needed, I may try to implement this.

------------------     
Best regards!
GuanQiang
09:45:15
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