Messages in this thread | | | Date | Wed, 08 Aug 2012 14:24:22 +0800 | From | Asias He <> | Subject | Re: [PATCH V6 0/2] Improve virtio-blk performance |
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On 08/08/2012 11:09 AM, Asias He wrote: > On 08/07/2012 05:16 PM, Christoph Hellwig wrote: >> On Tue, Aug 07, 2012 at 04:47:13PM +0800, Asias He wrote: >>> 1) Ramdisk device >>> With bio-based IO path, sequential read/write, random read/write >>> IOPS boost : 28%, 24%, 21%, 16% >>> Latency improvement: 32%, 17%, 21%, 16% >>> 2) Fusion IO device >>> With bio-based IO path, sequential read/write, random read/write >>> IOPS boost : 11%, 11%, 13%, 10% >>> Latency improvement: 10%, 10%, 12%, 10% >> >> Do you also have numbers for normal SAS/SATA disks? The changelog should >> have a reall good explanation of why this is optional, and numbers are a >> very important part of that.
Yes. I posted the numbers on normal SATA disks a few days ago in the thread with Sasha. Will add that data and explanation of why optional to the changelog
-- Asias
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