From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wanpeng Li Subject: Re: KVM slow LAMP guest Date: Mon, 24 Aug 2015 07:26:42 +0800 Message-ID: References: <5582805F.8090703@logic-q.nl> <55A4C2AA.9000307@logic-q.nl> <55A4C454.2070704@intercollect.com> <55A568F1.20504@intercollect.com> <55A57C21.6080502@redhat.com> <55A6BC4E.7060203@intercollect.com> <55A79522.5050805@redhat.com> <55DA1C9F.5090502@logic-q.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE To: Hansa , kvm list Return-path: Received: from blu004-omc4s14.hotmail.com ([65.55.111.153]:59431 "EHLO BLU004-OMC4S14.hotmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753151AbbHWXbv convert rfc822-to-8bit (ORCPT ); Sun, 23 Aug 2015 19:31:51 -0400 In-Reply-To: <55DA1C9F.5090502@logic-q.nl> Sender: kvm-owner@vger.kernel.org List-ID: 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. Br=C3=B6cker" wrote: >>>> What OS is this? Is it RHEL/CentOS? If so, halt_poll_ns will be i= n=20 >>>> 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=3D500000" 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= =20 > promised the halt_poll_ns parameter was available. > Last week I tested the availability status every 5 minutes on my=20 > Wordpress VM's with the halt_poll_ns kernel param set on DOM0. I'm=20 > pleased to announce that it solves the problem! How much seconds to load your Wordpress site this time? Regards, Wanpeng Li > > My guess is that a lot people out there have the same problem but do=20 > not know the solution. Why not put it in the kernel by default? > > Thanks a lot for all the help! > - Hansa > > --=20 > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html