[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] Re: poor domU VBD performance.
> It looks like there might be a problem were we are not > getting a timely > response back from dom0 VBD driver that the io request is > complete, which > limits the number of outstanding requests to a level which > cannot keep the > disk utilized well. If you drive enough IO outstanding > requests (which can > be done with either o-direct with large request or a much > larger readahead > setting with buffered IO), it's not an issue. Andrew, please could you try this with a 2.4 dom0, 2.6 domU. Thanks, Ian _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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