Messages in this thread | | | Date | Thu, 05 Nov 2015 10:46:05 +0800 | From | Bob Liu <> | Subject | Re: [PATCH v4 10/10] xen/blkback: make pool of persistent grants and free pages per-queue |
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On 11/05/2015 10:43 AM, Konrad Rzeszutek Wilk wrote: > On Mon, Nov 02, 2015 at 12:21:46PM +0800, Bob Liu wrote: >> Make pool of persistent grants and free pages per-queue/ring instead of >> per-device to get better scalability. > > How much better scalability do we get? >
Which already showed in [00/10], I paste them here:
domU(orig) 4 queues 8 queues 16 queues iops: 690k 1024k(+30%) 800k 750k
After patch 9 and 10: domU(orig) 4 queues 8 queues 16 queues iops: 690k 1600k(+100%) 1450k 1320k
Chart: https://www.dropbox.com/s/agrcy2pbzbsvmwv/iops.png?dl=0
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