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Re: [Qemu-devel] performance in io virtulization
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] performance in io virtulization |
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Date: |
Tue, 22 Dec 2015 15:58:59 +0800 |
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User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Mon, Dec 21, 2015 at 12:40:00PM +0800, 浩樊啊 wrote:
> i use qemu 2.2 and zhe vm kernel is 3.18i use fio do experiments in host and
> vm:
> 4k randwrite/read ioengine=libaio
> host: vm:
> randread about 200M/S randread about 190M/S
>
> randwrite about 160M/S randwrite about 65M/S
>
>
> i tried multiqueue and dataplane ,but no improvement
Please post the fio job file and QEMU command-line.
Stefan
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