[Gluster-users] cluster.readdir-optimize and disappearing files/dirs bug

Raghavendra Gowdappa rgowdapp at redhat.com
Thu Apr 5 03:29:14 UTC 2018

Can you check whether you are hitting
https://bugzilla.redhat.com/show_bug.cgi?id=1512437? Note that the fix is
not backported to 3.13 branch, but is available on 4.0 through

On Tue, Apr 3, 2018 at 11:13 PM, Artem Russakovskii <archon810 at gmail.com>

> Hi,
> As many of you know, gluster suffers from pretty bad performance issues
> when there are lots of files. One way to at least attempt to improve
> performance is setting cluster.readdir-optimize to on.
> However, based on my recent tests (using Gluster 3.13.2), as well as tests
> of many others (like http://lists.gluster.org/
> pipermail/gluster-devel/2016-November/051417.html), there's a bug that
> frequently makes the listings of entire dirs disappear. Though the data is
> still there, it's a very scary bug for production systems which may think
> all data is gone.
> I know Gluster 4 was recently released, but it makes no mention
> of cluster.readdir-optimize in the notes.
> What's the status of diagnosing this bug and fixing it? We're experiencing
> major performance issues with gluster in production, and I'd love to do
> everything possible to get them resolved.
> Thank you.
> Sincerely,
> Artem
> --
> Founder, Android Police <http://www.androidpolice.com>, APK Mirror
> <http://www.apkmirror.com/>, Illogical Robot LLC
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