[lxc-users] NUMA and LXC

[CDR]

..and that goes in the container's config or in the master lxc config file?
So ask, I am still getting the handle on LXC

On Fri, May 9, 2014 at 12:46 PM, Serge Hallyn <serge.hallyn at ubuntu.com> wrote:
> lxc.cgroup.cpuset.mems = 1
>
> Quoting CDR (venefax at gmail.com):
>> I think we need to add a configuration to the global lxc.conf whereas
>> any given container may run only on one NUMA node, and if that is not
>> possible, it should not even start.
>>
>> The performance for a container that is contained, so to speak, in  a
>> single NUMA node, should be much higher that a container that has its
>> processes all over the place.
>>
>> I noticed this in Hyper-V virtual machines, where you may set this
>> restriction. The performance as measured by hdparm tT  --direct is
>> twice than a virtual machine started without this feature.
>>
>> This is the distance between nodes, as reported by numactl --hardware
>>
>> node distances:
>> node   0   1   2   3
>>   0:  10  20  20  20
>>   1:  20  10  20  20
>>   2:  20  20  10  20
>>   3:  20  20  20  10
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