Thanks, Raghavendra. I won't be able to test readdir-ahead again because it caused a lot of issues for my users and I don't have the resources to set up a test environment right now. I hope someone can help figure this bug out eventually though.
Cheers, On Tue, Jan 30, 2018 at 1:36 PM Raghavendra Gowdappa <[email protected]> wrote: > > > ----- Original Message ----- > > From: "Alan Orth" <[email protected]> > > To: "Raghavendra Gowdappa" <[email protected]> > > Cc: "gluster-users" <[email protected]> > > Sent: Tuesday, January 30, 2018 1:37:40 PM > > Subject: Re: [Gluster-users] parallel-readdir is not recognized in > GlusterFS 3.12.4 > > > > Thank you, Raghavendra. I guess this cosmetic fix will be in 3.12.6? > > Yes. > > > > > I'm also looking forward to seeing stability fixes to parallel-readdir > and or > > readdir-ahead in 3.12.x. :) > > I am not sure what caused disconnects. readdir-ahead shouldn't result in > purging of connections. We've not seen this behavior in our internal tests > (We have done quite a significant amount of testing on this to ascertain > performance impact). We need to investigate this. Can you file a bug on > this providing following information: > * log files of client and brick process > * test-case to reproduce the issue. > * Test environment (OS, volume profile info etc). > > regards, > Raghavendra > > > > Cheers, > > > > On Mon, Jan 29, 2018 at 9:26 AM Raghavendra Gowdappa < > [email protected] > > > wrote: > > > > > > > > > > ----- Original Message ----- > > > From: "Pranith Kumar Karampuri" < [email protected] > > > > To: "Alan Orth" < [email protected] > > > > Cc: "gluster-users" < [email protected] > > > > 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" < [email protected] > 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 > > > [email protected] > > > https://picturingjordan.com > > > https://englishbulgaria.net > > > https://mjanja.ch > > > > > > _______________________________________________ > > > Gluster-users mailing list > > > [email protected] > > > http://lists.gluster.org/mailman/listinfo/gluster-users > > > > > > _______________________________________________ > > > Gluster-users mailing list > > > [email protected] > > > http://lists.gluster.org/mailman/listinfo/gluster-users > > -- > > > > > > Alan Orth > > [email protected] > > https://picturingjordan.com > > https://englishbulgaria.net > > https://mjanja.ch > > > > _______________________________________________ > > Gluster-users mailing list > > [email protected] > > http://lists.gluster.org/mailman/listinfo/gluster-users > -- Alan Orth [email protected] https://picturingjordan.com https://englishbulgaria.net https://mjanja.ch
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