Re: KVM slow LAMP guest

[Hansa <forums@logic-q.nl>]

On 24-8-2015 1:26, Wanpeng Li wrote:
> On 8/24/15 3:18 AM, Hansa wrote:
>> On 16-7-2015 13:27, Paolo Bonzini wrote:
>>> On 15/07/2015 22:02, "C. Bröcker" wrote:
>>>>> What OS is this?  Is it RHEL/CentOS? If so, halt_poll_ns will be in 6.7
>>>>> which will be out in a few days/weeks.
>>>>>
>>>>> Paolo
>>>> OK. As said CentOS 6.6.
>>>> But where do I put this parameter?
>>> You can add "kvm.halt_poll_ns=500000" to the kernel command line.  If
>>> you have the parameter, you have the
>>> /sys/module/kvm/parameters/halt_poll_ns file.
>> Hi,
>>
>> I upgraded to the CentOS 6.7 release which came out last month and as promised the halt_poll_ns parameter was available.
>> Last week I tested the availability status every 5 minutes on my Wordpress VM's with the halt_poll_ns kernel param set on DOM0. I'm pleased to announce that it solves the problem!
>
> How much seconds to load your Wordpress site this time?
>
> Regards,
> Wanpeng Li
I've only tested availability using the webmin's "Remote HTTP Service" monitoring tool. Currently it only times out when doing backups. I will do some tests with curl and let you know the result in a day or so.