* Re: [ckrm-tech] About I/O scheduler in CKRM
[not found] <200704191509.17971.zlai.zju@gmail.com>
@ 2007-04-19 14:12 ` Srivatsa Vaddagiri
0 siblings, 0 replies; only message in thread
From: Srivatsa Vaddagiri @ 2007-04-19 14:12 UTC (permalink / raw)
To: Zongyun Lai; +Cc: sekharan, nagar, ckrm-tech, linux-kernel
I am not aware of any updates to IO scheduler other than what is listed
on the website. Chandra/Shailabh can correct me if I am wrong.
Regarding (the future of) CKRM in general, we aren't looking at
that framework now, as Linux kernel community seemed to want simpler
frameworks. A framework which is being considered for inclusion
(hopefully in near future) will be based on this:
http://lkml.org/lkml/2007/4/6/297
On Thu, Apr 19, 2007 at 03:09:17PM +0800, Zongyun Lai wrote:
> Hello,
> I am currently doing something related to storage QoS. I have read the OLS
> papers of CKRM project. I think it would be good start point for CBQ(class
> based queuing) scheduler in storage system. However, when I refer to the code
> in ckrm.sf.net, I found only recent release of cpurc, memrc, and res_group
> code, isn't it? The only io related work is the io_rc.tar.bz2 located in
> ckrm-old branch (e18 against 2.6.12). It looks like it is based on Jens' CFQ
> scheduler. Do you still actively maintain this ckrm project? Is there any
> recent release of the IO scheduler, or what is the future consideration in
> developing the IO scheduer? Thanks.
>
>
> Cheers ,
> Zongyun
>
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Regards,
vatsa
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