[Gluster-users] 0-client_t: null client [Invalid argument] & high CPU usage (Gluster 3.12)

Howdy, I'm setting up several gluster 3.12 clusters running on CentOS 7 and have having issues with glusterd.log and glustershd.log both being filled with errors relating to null client errors and client-callback functions. They seem to be related to high CPU usage across the nodes although I

Re: [Gluster-users] Confusing lstat() performance

Hi Niklas, Out of interest have you tried testing performance with performance.stat-prefetch enabled? -- Sam McLeod @s_mcleod https://smcleod.net > On 14 Sep 2017, at 10:42 pm, Niklas Hambüchen wrote: > > Hi, > > I have a gluster 3.10 volume with a dir with ~1 million small

[Gluster-users] Confusing lstat() performance

Hi, I have a gluster 3.10 volume with a dir with ~1 million small files in them, say mounted at /mnt/dir with FUSE, and I'm observing something weird: When I list and stat them all using rsync, then the lstat() calls that rsync does are incredibly fast (23 microseconds per call on average,

Re: [Gluster-users] Glusterd proccess hangs on reboot

I have the %100 CPU usage issue when I restart a glusterd instance and I do not have null client errors in log. The issue was related to number of bricks/servers so I decreased the brick count in volume. It resolved the problem. On Thu, Sep 14, 2017 at 9:02 AM, Sam McLeod

[Gluster-users] Announcing Glusterfs release 3.12.1 (Long Term Maintenance)

The Gluster community is pleased to announce the release of Gluster 3.12.1 (packages available at [1,2,3]). Release notes for the release can be found at [4]. We still carry a major issue that is reported in the release-notes as follows, - Expanding a gluster volume that is sharded may

Re: [Gluster-users] Glusterd proccess hangs on reboot

Hi Serkan, I was wondering if you resolved your issue with the high CPU usage and hang after starting gluster? I'm setting up a 3 server (replica 3, arbiter 1), 300 volume, Gluster 3.12 cluster on CentOS 7 and am having what looks to be exactly the same issue as you. With no volumes created