On Tue, Jan 05, 2021 at 04:08:34PM +0100, Miklos Szeredi wrote:
> On Fri, Dec 11, 2020 at 8:25 PM Vivek Goyal wrote:
> >
> > On Fri, Dec 11, 2020 at 06:29:56PM +, Dr. David Alan Gilbert wrote:
> >
> > [..]
> > > > >
> > > > > Could we measure at what point does a large window size actually mak
On Fri, Dec 11, 2020 at 8:25 PM Vivek Goyal wrote:
>
> On Fri, Dec 11, 2020 at 06:29:56PM +, Dr. David Alan Gilbert wrote:
>
> [..]
> > > >
> > > > Could we measure at what point does a large window size actually make
> > > > performance worse?
> > >
> > > Will do. Will run tests with varying
* Vivek Goyal (vgo...@redhat.com) wrote:
> On Fri, Dec 11, 2020 at 02:25:17PM -0500, Vivek Goyal wrote:
> > On Fri, Dec 11, 2020 at 06:29:56PM +, Dr. David Alan Gilbert wrote:
> >
> > [..]
> > > > >
> > > > > Could we measure at what point does a large window size actually make
> > > > > perf
On Fri, Dec 11, 2020 at 02:25:17PM -0500, Vivek Goyal wrote:
> On Fri, Dec 11, 2020 at 06:29:56PM +, Dr. David Alan Gilbert wrote:
>
> [..]
> > > >
> > > > Could we measure at what point does a large window size actually make
> > > > performance worse?
> > >
> > > Will do. Will run tests wit
On Fri, Dec 11, 2020 at 06:29:56PM +, Dr. David Alan Gilbert wrote:
[..]
> > >
> > > Could we measure at what point does a large window size actually make
> > > performance worse?
> >
> > Will do. Will run tests with varying window sizes (small to large)
> > and see how does it impact perfor
On Fri, Dec 11, 2020 at 11:06:03AM -0500, Vivek Goyal wrote:
[..]
> >
> > Could we measure at what point does a large window size actually make
> > performance worse?
>
> Will do. Will run tests with varying window sizes (small to large)
> and see how does it impact performance for same workload
* Vivek Goyal (vgo...@redhat.com) wrote:
> On Thu, Dec 10, 2020 at 08:29:21PM +0100, Miklos Szeredi wrote:
> > On Thu, Dec 10, 2020 at 5:11 PM Vivek Goyal wrote:
> >
> > > Conclusion
> > > ---
> > > - virtiofs DAX seems to help a lot in many workloads.
> > >
> > > Note, DAX performance
On Thu, Dec 10, 2020 at 08:29:21PM +0100, Miklos Szeredi wrote:
> On Thu, Dec 10, 2020 at 5:11 PM Vivek Goyal wrote:
>
> > Conclusion
> > ---
> > - virtiofs DAX seems to help a lot in many workloads.
> >
> > Note, DAX performance well only if data fits in cache window. My total
> > da
On Thu, Dec 10, 2020 at 5:11 PM Vivek Goyal wrote:
> Conclusion
> ---
> - virtiofs DAX seems to help a lot in many workloads.
>
> Note, DAX performance well only if data fits in cache window. My total
> data is 16G and cache window size is 16G as well. If data is larger
> than DAX c
Hi,
Now virtiofs DAX support has been merged in upstream kernel 5.10 (It
has yet to be merged qemu). So I decided to do some performance
benchmarking and see what's the impact of DAX on different workloads in
different caching modes. Hence I ran some performance numbers and
publishing the results
10 matches
Mail list logo
