[Gluster-users] parallel-readdir is not recognized in GlusterFS 3.12.4

Alan Orth alan.orth at gmail.com
Tue Jan 30 08:07:40 UTC 2018


Thank you, Raghavendra. I guess this cosmetic fix will be in 3.12.6?

I'm also looking forward to seeing stability fixes to parallel-readdir and
or readdir-ahead in 3.12.x. :)

Cheers,

On Mon, Jan 29, 2018 at 9:26 AM Raghavendra Gowdappa <rgowdapp at redhat.com>
wrote:

>
>
> ----- Original Message -----
> > From: "Pranith Kumar Karampuri" <pkarampu at redhat.com>
> > To: "Alan Orth" <alan.orth at gmail.com>
> > Cc: "gluster-users" <gluster-users at gluster.org>
> > Sent: Saturday, January 27, 2018 7:31:30 AM
> > Subject: Re: [Gluster-users] parallel-readdir is not recognized in
> GlusterFS  3.12.4
> >
> > Adding devs who work on it
> >
> > On 23 Jan 2018 10:40 pm, "Alan Orth" < alan.orth at gmail.com > wrote:
> >
> >
> >
> > Hello,
> >
> > I saw that parallel-readdir was an experimental feature in GlusterFS
> version
> > 3.10.0, became stable in version 3.11.0, and is now recommended for small
> > file workloads in the Red Hat Gluster Storage Server documentation[2].
> I've
> > successfully enabled this on one of my volumes but I notice the
> following in
> > the client mount log:
> >
> > [2018-01-23 10:24:24.048055] W [MSGID: 101174]
> > [graph.c:363:_log_if_unknown_option] 0-homes-readdir-ahead-1: option
> > 'parallel-readdir' is not recognized
> > [2018-01-23 10:24:24.048072] W [MSGID: 101174]
> > [graph.c:363:_log_if_unknown_option] 0-homes-readdir-ahead-0: option
> > 'parallel-readdir' is not recognized
> >
>
> This is fixed by patch:
> https://review.gluster.org/#/c/18572/
>
> Please note that the log message is harmless and parallel-readdir is
> enabled even with this log. You can verify that by looking into gluster
> volume configuration logged in glusterfs logs. If parallel-readdir is
> enabled, you should see a readdir-ahead translator loaded as a parent of
> each DHT subvolume.
>
> > The GlusterFS version on the client and server is 3.12.4. What is going
> on?
> >
> > [0]
> >
> https://github.com/gluster/glusterfs/blob/release-3.10/doc/release-notes/3.10.0.md
> > [1]
> >
> https://github.com/gluster/glusterfs/blob/release-3.11/doc/release-notes/3.11.0.md
> > [2]
> >
> https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.3/html/administration_guide/small_file_performance_enhancements
> >
> > Thank you,
> >
> >
> > --
> >
> >
> > Alan Orth
> > alan.orth at gmail.com
> > https://picturingjordan.com
> > https://englishbulgaria.net
> > https://mjanja.ch
> >
> > _______________________________________________
> > Gluster-users mailing list
> > Gluster-users at gluster.org
> > http://lists.gluster.org/mailman/listinfo/gluster-users
> >
> > _______________________________________________
> > Gluster-users mailing list
> > Gluster-users at gluster.org
> > http://lists.gluster.org/mailman/listinfo/gluster-users
>
-- 

Alan Orth
alan.orth at gmail.com
https://picturingjordan.com
https://englishbulgaria.net
https://mjanja.ch
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.gluster.org/pipermail/gluster-users/attachments/20180130/53983d4b/attachment.html>


More information about the Gluster-users mailing list