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Re: [Xen-devel] Xen 4.0 Feature Requests

To: Philipp Schmid <lists@xxxxxxxxxxx>
Subject: Re: [Xen-devel] Xen 4.0 Feature Requests
From: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
Date: Wed, 22 Apr 2009 10:24:20 +0900
Cc: Ryo Tsuruta <ryov@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
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Hi,

There are some discussions of I/O QoS feature in upstream of linux.
We may be able to use such a feature with dom0 pv_ops of upstreams.
e.g.
http://lkml.indiana.edu/hypermail/linux/kernel/0904.2/01317.html

dm-ioband has rpm package of RHEL/CentOS, so you can use dm-ioband for xen.
http://lists.xensource.com/archives/html/xen-devel/2009-04/msg00116.html

If you are interested in dm-ioband, please comment to Ryo.
He would want feedbacks from many users.

Best Regards,

Akio Takebe

Philipp Schmid wrote:
> Hi,
> 
> I would like to have a way to easily limit I/O for individual disks of 
> virtual machines (pv, hvm and hvm-studom).
> Maybe in a similar way to the credit scheduler's weight?
> 
> You can already partition CPU-Time, RAM, Disk space, but not really Disk 
> I/O...
> 
> William Pitcock seems to do some work on a I/O QoS token-based approach, 
> maybe this is a good start?
> 
> Best regards,
> 
> Philipp Schmid
> +43 699 17246437
> 
> http://netmonic.com
> http://blog.netmonic.com
> http://twitter.com/netmonic
> 
> On Apr 21, 2009, at 4:17 PM, Stephen Spector wrote:
> 
>> With Xen 3.4 in test for final release shortly, it is time to submit 
>> your feature requests for the next release, Xen 4.0. The current 
>> product roadmap is athttp://www.xen.org/download/roadmap.html and will 
>> be updated with the new features you submit once Xen 3.4 is released.
>>
>> Please send me your features. Thanks.
>>
>> Stephen Spector
>> Community Manager, Xen.org
>> stephen.spector@xxxxxxx
>> (772) 621-5062
>> Blog: http://blog.xen.org
>> Twitter: http://www.twitter.com/xen_com_mgr
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
> 
> 
> 
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