From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: Equivalent of vmware SIOC (Storage IO Control) in KVM Date: Mon, 14 Oct 2013 09:49:38 +0200 Message-ID: <525BA212.5030301@redhat.com> References: <525A9F87.4020107@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: "Soumendu Satapathy (sosatapa)" , "kvm@vger.kernel.org" , Stefan Hajnoczi To: Andrey Korolyov Return-path: Received: from mx1.redhat.com ([209.132.183.28]:34942 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752724Ab3JNHto (ORCPT ); Mon, 14 Oct 2013 03:49:44 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: Il 14/10/2013 00:13, Andrey Korolyov ha scritto: > Hello, > > By the way, is there plans to enhance qemu I/O throttling to able to > swallow peaks or to apply various disciplines? Current one-second flat > discipline seemingly is not enough for uneven workloads especially > when there is no alternative like cgroups for nbd usage. As Fam said, QEMU 1.7 will support burst throttling. I'm not sure what the plans are for adding support to libvirt. Paolo