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| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] slow speed for virtio-scsi since qemu 2.2 |
| Date: | Mon, 16 Feb 2015 13:24:40 +0100 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 |
On 15/02/2015 19:46, Stefan Priebe wrote: > > while i get a constant random 4k i/o write speed of 20.000 iops with > qemu 2.1.0 or 2.1.3. I get jumping speeds with qemu 2.2 (jumping between > 500 iops and 15.000 iop/s). > > If i use virtio instead of virtio-scsi speed is the same between 2.2 and > 2.1. http://wiki.qemu.org/Contribute/ReportABug What is your command line? Paolo
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