[Gluster-users] Parallel process hang on gluster volume

nico at furyweb.fr nico at furyweb.fr
Wed Jul 3 16:10:38 UTC 2019

Am I alone having this problem ?

----- Mail original -----
De: nico at furyweb.fr
À: "gluster-users" <gluster-users at gluster.org>
Envoyé: Vendredi 21 Juin 2019 09:48:47
Objet: [Gluster-users] Parallel process hang on gluster volume

I encounterd an issue on production servers using GlusterFS servers 5.1 and clients 4.1.5 when several process write at the same time on a gluster volume. 

With more than 48 process writes on the volume at the same time, they are blocked in D state (uninterruptible sleep), I guess some volume settings have to be tuned but can't figure out which.

The client is using op-version 40100 on this volume
Below are volume info, volume settings and ps output on blocked processes.

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