----- Original Message ----- > From: "Pranith Kumar Karampuri" <pkarampu@xxxxxxxxxx> > To: "Alan Orth" <alan.orth@xxxxxxxxx> > Cc: "gluster-users" <gluster-users@xxxxxxxxxxx> > Sent: Saturday, January 27, 2018 7:31:30 AM > Subject: Re: 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@xxxxxxxxx > 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@xxxxxxxxx > https://picturingjordan.com > https://englishbulgaria.net > https://mjanja.ch > > _______________________________________________ > Gluster-users mailing list > Gluster-users@xxxxxxxxxxx > http://lists.gluster.org/mailman/listinfo/gluster-users > > _______________________________________________ > Gluster-users mailing list > Gluster-users@xxxxxxxxxxx > http://lists.gluster.org/mailman/listinfo/gluster-users _______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx http://lists.gluster.org/mailman/listinfo/gluster-users