[pve-devel] less cores more iops / speed

[Stefan Priebe - Profihost AG]

I'm pinnin inside the kvm process the fio process. SO it shouldn't be a 
problem of librbd alone.

Stefan
Am 09.11.2012 09:59, schrieb Dietmar Maurer:
>> Am 09.11.2012 09:50, schrieb Dietmar Maurer:
>>>>> It's try to keep process on same numa node and I think it's also
>>>>> doing some
>>>> dynamic pinning.
>>>>
>>>> numad doesn't help but libvirt seems to support pinning of kvm instances.
>>>> Maybe pve should support pinning too?
>>>
>>> So far I never had such problems.
>>>
>>> IMHO, Manual pinning is the wrong way.
>>
>> But doing heavy I/O with 8 Cores is much slower than with 2 Cores that can't
>> be correct...
>
> What exactly is the suggestion? So far only rbd client shows such behavior?
>