[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] blkif shared ring
hi Samuel- Would you please explain what do you mean by "using the whole buffer page"? Parallax (project of University of British Columbia) modified XEN by allocating an additional shared ring page in the blkback driver. Probably one of options? thanks, ~Sam From: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx> To: Samvel Yuri <samvelox@xxxxxxxxx> Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> Sent: Tuesday, November 18, 2008 3:39:43 PM Subject: Re: [Xen-devel] blkif shared ring Hello, Samvel Yuri, le Tue 18 Nov 2008 15:29:48 -0800, a écrit : > Wouldn't the shared ring be likely a bottleneck in very large number > os IOs, have anybody ran into such issue? Compared to disk speeds, it is almost a bottleneck nowadays. In mini-os, I could achieve almost native performance, but that was by using the whole buffer page. When disk will get faster, one page won't be enough. Samuel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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