RE: [Xen-devel] disk I/O QoS in 3.0?

To:	"Matt Ayres" <matta@xxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject:	RE: [Xen-devel] disk I/O QoS in 3.0?
From:	"Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date:	Thu, 28 Jul 2005 22:20:45 +0100
Delivery-date:	Thu, 28 Jul 2005 21:19:15 +0000
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index:	AcWTuTUUBpOQSxABT+Sas1P0CCC9VwAAFvuA
Thread-topic:	[Xen-devel] disk I/O QoS in 3.0?

 

> I keep track of the code changes and haven't seen anything 
> specifically for improved disk I/O accounting and QoS.  Has 
> worked been done on this (or perhaps something I missed) or 
> is this a feature that we should not expect to see?

Nothing has been checked in yet, though its actually pretty trivial: its
just a case of tagging requests with the domain they came from and then
Linux's normal IO scheduler infrastructure can take care of it. We can
wrap it with a few xm commands to make it easier to configure.
Volunteers?

Ian

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

WARNING - OLD ARCHIVES

xen-devel

RE: [Xen-devel] disk I/O QoS in 3.0?