From: Avi Kivity <avi@redhat.com>
To: Harald Dunkel <harri@afaics.de>
Cc: KVM Mailing List <kvm@vger.kernel.org>
Subject: Re: default elevator=noop for virtio block devices?
Date: Wed, 09 Mar 2011 12:01:50 +0200 [thread overview]
Message-ID: <4D77500E.5070702@redhat.com> (raw)
In-Reply-To: <87aah48wa1.fsf@sylvester.afaics.de>
On 03/09/2011 11:42 AM, Harald Dunkel wrote:
> Hi folks,
>
> would it make sense to make elevator=noop the default
> for virtio block devices? Or would you recommend to
> set this on the kvm server instead?
>
I think leaving the defaults is best. The elevator on the guest serves
to schedule I/O among processes in the guest, and the elevator on the
host partitions I/O among the guests.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-03-09 10:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-09 9:42 default elevator=noop for virtio block devices? Harald Dunkel
2011-03-09 10:01 ` Avi Kivity [this message]
2011-03-09 11:12 ` Stefan Hajnoczi
2011-03-09 14:47 ` Khoa Huynh
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