Measuring ZFS configuration differences

[Marcelo Araujo]

2015-11-12 14:38 GMT+08:00 Allan Jude <allanjude at freebsd.org>:

> On 2015-11-12 01:30, Marcelo Araujo wrote:
> > 2015-11-12 6:34 GMT+08:00 Dan Langille <dan at langille.org>:
> >
> >> On Oct 12, 2015, at 1:00 PM, Dan Langille <dan at langille.org> wrote:
> >>>
> >>> Following up on the discussions during EuroBSDCon 2015 (Stockholm)
> >> during the FreeBSD Developer
> >>> Summit regarding various ZFS configuration settings, I write to start
> >> our implementation phase now that some
> >>> usual suspects have joined the list.
> >>>
> >>>  re https://wiki.freebsd.org/201510DevSummit/Performance
> >>>
> >>> I think the first order of business is granting access rights to the
> >> server (varm) in question:
> >>>
> >>>  http://dan.langille.org/2015/07/19/varm/
> >>>
> >>> During the workshop, mention was made of serial access.  I can arrange
> >> that.
> >>>
> >>> The server has IPMI, however, my first thought:
> >>>
> >>> 1 - connect a USB-serial cable to varm & link that to another server in
> >> my rack.
> >>
> >> Marcelo: At EuroBSDCon, was it you who mentioned a particular
> >> configuration for the test machine which made
> >> it easy to configure and run tests?  Was it PXE booting or something?
> >>
> >>> 2 - create a jail in that server and give it access to that serial
> >> connection
> >>> 3 - redirect incoming port XYZ to that jail via a public-key-only ssh
> >> connection
> >>> 4 - give people access
> >>>
> >>> Any suggestions?
> >>
> >> —
> >> Dan Langille
> >> http://langille.org/
> >>
> >>
> > Hello Dan,
> >
> > Yes, was me :)
> >
> > I mention about zopkio test framework.
> > I gave a presentation last weekend at PyCon Hong Kong about it.
> >
> > Here is my slides:
> >
> http://www.slideshare.net/araujobsd/functional-and-scale-performance-tests-using-zopkio
> >
> > The good of Zopkio is, we can write tests at once and run it as much as
> we
> > want in different machines. Also Zopkio depends of Naarad, that can
> parse a
> > CSV file and create metrics and SLA over those metrics, plot graphs and
> so
> > on. Pretty nice tool!!!
> >
> > I'm wondering if we could start to test something and maybe show it at
> > AsiaBSDCon and BSDCon(Canada) next year? What do you think?
> > What I need right now would be a list of tests that we want to perform as
> > well as what parameters we would like to take as metrics to compare.
> >
> > Best Regards,
> >
> >
>
> Would this work for testing other things, like SSH performance? I am
> looking at doing some SSH + HPN tests to prove that it is worth keeping.
>
> --
> Allan Jude
>
>
It would depends what kind of performance you want to test!
If the metrics you can output to a CSV file, the answer would be yes, it
can!


Best,
-- 

-- 
Marcelo Araujo            (__)araujo at FreeBSD.org
\\\'',)http://www.FreeBSD.org <http://www.freebsd.org/>   \/  \ ^
Power To Server.         .\. /_)