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Re: [Qemu-devel] Following up questions related to QEMU and I/O Thread
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] Following up questions related to QEMU and I/O Thread |
Date: |
Mon, 1 Apr 2019 10:07:24 +0100 |
User-agent: |
Mutt/1.11.3 (2019-02-01) |
On Fri, Mar 29, 2019 at 08:16:36AM -0700, Wei Li wrote:
> Thanks Stefan for your reply and guidance!
>
> We spent some time on exploring the multiple I/O Threads approach per your
> feedback. Based on the perf measurement data, we did see some IOPS
> improvement for multiple volumes, which is great. :)
>
> In addition, IOPS for single Volume will still be a bottleneck, it seems like
> multiqueue block layer feature which Paolo is working on may be able to help
> improving the IOPS for single volume.
>
> @Paolo, @Stefan,
> Would you mind sharing the multiqueue feature code branch with us? So that we
> could get some rough idea about this feature and maybe start doing some
> exploration?
Paolo last worked on this code, so he may be able to send you a link.
Stefan
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