lkml.org 
[lkml]   [2012]   [Jan]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/6][RFC] virtio-blk: Change I/O path from request to BIO
On Mon, Jan 02, 2012 at 05:18:13PM +0100, Paolo Bonzini wrote:
> >I tried a few times, and the only constant measureable
> >thing was that it regressed performance when used for rotating devices
> >in a few benchmarks.
>
> Were you trying with cache=none or writeback? For cache=none,
> that's exactly what I'd expect. cache=writeback could be more
> interesting...

cache=none - cache=writeback isn't something people should ever use
except for read-only or extremly read-mostly workloads.



\
 
 \ /
  Last update: 2012-01-02 17:25    [W:0.049 / U:0.928 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site