Hi Casey,
Would it better if we create an integration brunch on ceph/ceph/wip-fio-objstore to allow more people try and improve it? Seems James has some patches.
-Xiaoxi
> -----Original Message-----
> From: ceph-devel-owner@xxxxxxxxxxxxxxx [mailto:ceph-devel-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Casey Bodley
> Sent: Wednesday, September 30, 2015 4:06 AM
> To: James (Fei) Liu-SSI
> Cc: ceph-devel@xxxxxxxxxxxxxxx
> Subject: Re: Backend ObjectStore engine performance bench with FIO
>
> Hi James/Haomai/Xiaoxi,
>
> I spent some more time on the fio-objectstore branch, and pushed an
> update.
>
> In testing, I realized that it was using the io_unit's start time to name the
> objects, which meant that every write operation was creating a separate
> object.
> In addition to fixing this to use fio's filenames for object names, I also added
> support for the open_file() and close_file() functions. It now creates objects
> of the proper size on startup, so read-only jobs will work normally.
> It also removes its objects on exit.
>
> On startup, it no longer calls create_collection() if it already exists, so I was
> able to re-run fio jobs over and over again without having to clear the data
> directory (tested with FileStore and KeyValueStore).
>
> Casey
>
> ----- Original Message -----
> > Great work James!
> >
> > ----- Original Message -----
> > > From: "James (Fei) Liu-SSI" <james.liu@xxxxxxxxxxxxxxx>
> > > To: "Xiaoxi Chen" <xiaoxi.chen@xxxxxxxxx>, "Casey Bodley"
> > > <cbodley@xxxxxxxxxx>
> > > Cc: "Sage Weil" <sage@xxxxxxxxxxxx>, ceph-devel@xxxxxxxxxxxxxxx
> > > Sent: Friday, September 25, 2015 1:55:29 PM
> > > Subject: Backend ObjectStore engine performance bench with FIO
> > >
> > > Hi Xiaoxi,
> > >
> > > With changing the IO mode from aio to sync, we make fio against
> newstore
> > > works. Even with sync engine(I am still debugging the aio engine in
> > > newstore with Xiaoxi) in newstore, Newstore still performing the best
> > > among all of backstore engine with our initial setup(Thoroughly test
> > > will
> > > be run soon). Attachment is the initial data we collected for your
> > > reference. Thanks for great help from Xiaoxi from regarding to
> Newstore
> > > development to support FIO.
> > >
> > > Hi Casey,
> > > Let me know if you need any help to put fio-ceph-objectstore into
> > > upstream.
> > > After then , I can commit all of mine into upstream.
> >
> > My pull request at https://github.com/ceph/ceph/pull/5943 is still pending.
> > If you have patches that you'd like included, I would be happy to pull
> > them in; just point me to a branch.
> >
> > >
> > > Thanks,
> > > James
> > >
> >
> > Thanks,
> > Casey
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