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From: Stefan Hajnoczi <stefanha@gmail.com>
To: Wei Li <wei.d.li@oracle.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Following up questions related to QEMU and I/O Thread
Date: Mon, 1 Apr 2019 10:07:24 +0100	[thread overview]
Message-ID: <20190401090724.GA643@stefanha-x1.localdomain> (raw)
In-Reply-To: <2D7F11D0-4A02-4A0F-961D-854240376B17@oracle.com>

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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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  parent reply	other threads:[~2019-04-01 10:54 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-04 17:33 [Qemu-devel] Following up questions related to QEMU and I/O Thread Wei Li
2019-03-05 17:29 ` Stefan Hajnoczi
     [not found]   ` <2D7F11D0-4A02-4A0F-961D-854240376B17@oracle.com>
2019-04-01  9:07     ` Stefan Hajnoczi [this message]
2019-04-05 21:09       ` Wei Li
2019-04-05 21:09         ` Wei Li
2019-04-16 14:01         ` Paolo Bonzini
2019-04-16 14:01           ` Paolo Bonzini
2019-04-17  1:38           ` Wei Li
2019-04-17  1:38             ` Wei Li
2019-04-17 12:17             ` Paolo Bonzini
2019-04-17 12:17               ` Paolo Bonzini
2019-04-18  3:34               ` Wei Li
2019-04-18  3:34                 ` Wei Li
     [not found]       ` <CC372DF3-1AC6-46B5-98A5-21159497034A@oracle.com>
2019-04-15 17:34         ` Wei Li
2019-04-15 23:23           ` Dongli Zhang
2019-04-15 23:23             ` Dongli Zhang
2019-04-16  9:20             ` Stefan Hajnoczi
2019-04-16  9:20               ` Stefan Hajnoczi
2019-04-17  1:42               ` Wei Li
2019-04-17  1:42                 ` Wei Li
     [not found]               ` <8E5AF770-69ED-4D44-8A25-B51344996D9E@oracle.com>
2019-04-23  4:21                 ` Wei Li
2019-04-23  4:21                   ` Wei Li
2019-04-23 12:04                   ` Stefan Hajnoczi
2019-04-23 12:04                     ` Stefan Hajnoczi
2019-04-26  8:14                     ` Paolo Bonzini
2019-04-26  8:14                       ` Paolo Bonzini
2019-04-26 23:02                       ` Wei Li
2019-04-26 23:02                         ` Wei Li
2019-04-27  4:24                         ` Paolo Bonzini
2019-04-27  4:24                           ` Paolo Bonzini
2019-04-29 17:49                           ` Wei Li
2019-04-29 17:49                             ` Wei Li
2019-04-29 13:40                       ` Stefan Hajnoczi
2019-04-29 13:40                         ` Stefan Hajnoczi
2019-04-29 17:56                         ` Wei Li
2019-04-29 17:56                           ` Wei Li
2019-05-01 16:36                           ` Stefan Hajnoczi
2019-05-01 16:36                             ` Stefan Hajnoczi
2019-05-03 16:21                             ` Wei Li
2019-05-03 16:21                               ` Wei Li
2019-05-03 18:05                               ` Paolo Bonzini
2019-05-03 18:05                                 ` Paolo Bonzini
2019-05-03 18:11                                 ` Wei Li
2019-05-03 18:11                                   ` Wei Li
2019-04-30 11:21                         ` Paolo Bonzini
2019-04-30 11:21                           ` Paolo Bonzini

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