From: Paolo Bonzini <pbonzini@redhat.com>
To: Asias He <asias@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Rusty Russell <rusty@rustcorp.com.au>,
kvm@vger.kernel.org, virtualization@lists.linux-foundation.org,
target-devel@vger.kernel.org,
"Nicholas A. Bellinger" <nab@linux-iscsi.org>
Subject: Re: [PATCH] tcm_vhost: Multi-queue support
Date: Wed, 6 Feb 2013 06:59:42 -0500 (EST) [thread overview]
Message-ID: <2066806628.37341089.1360151982783.JavaMail.root@redhat.com> (raw)
In-Reply-To: <511227A6.4000107@redhat.com>
----- Messaggio originale -----
> Da: "Asias He" <asias@redhat.com>
> A: "Nicholas A. Bellinger" <nab@linux-iscsi.org>
> Cc: "Paolo Bonzini" <pbonzini@redhat.com>, "Stefan Hajnoczi" <stefanha@redhat.com>, "Michael S. Tsirkin"
> <mst@redhat.com>, "Rusty Russell" <rusty@rustcorp.com.au>, kvm@vger.kernel.org,
> virtualization@lists.linux-foundation.org, target-devel@vger.kernel.org
> Inviato: Mercoledì, 6 febbraio 2013 10:51:34
> Oggetto: Re: [PATCH] tcm_vhost: Multi-queue support
>
> On 02/06/2013 04:39 PM, Nicholas A. Bellinger wrote:
> > On Wed, 2013-02-06 at 15:09 +0800, Asias He wrote:
> >> On 02/06/2013 02:45 PM, Nicholas A. Bellinger wrote:
> >>> On Wed, 2013-02-06 at 13:20 +0800, Asias He wrote:
> >>>> This adds virtio-scsi multi-queue support to tcm_vhost.
> >>>>
> >>>> Guest side virtio-scsi multi-queue support can be found here:
> >>>>
> >>>> https://lkml.org/lkml/2012/12/18/166
> >>>>
> >>>> Some initial perf numbers:
> >>>> 1 queue, 4 targets, 1 lun per target
> >>>> 4K request size, 50% randread + 50% randwrite: 127K/127k IOPS
> >>>>
> >>>> 4 queues, 4 targets, 1 lun per target
> >>>> 4K request size, 50% randread + 50% randwrite: 181K/181k IOPS
4 VCPUs I suppose?
Paolo
next prev parent reply other threads:[~2013-02-06 11:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-06 5:20 [PATCH] tcm_vhost: Multi-queue support Asias He
2013-02-06 6:45 ` Nicholas A. Bellinger
2013-02-06 7:09 ` Asias He
2013-02-06 8:39 ` Nicholas A. Bellinger
2013-02-06 9:51 ` Asias He
2013-02-06 11:59 ` Paolo Bonzini [this message]
2013-02-07 0:49 ` Asias He
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