[Gluster-users] Performance drop when upgrading from 3.8 to 6.5

[Strahil]

I'm using replicated volumes.
In your case, you got a distribited volume.
Have you noticed  if slowness  is  only when accessing the files  from specific node  ?

Best Regards,
Strahil NikolovOn Nov 1, 2019 17:28, Riccardo Murri <riccardo.murri at gmail.com> wrote:
>
> Hello Strahil 
>
> > What options do you use i  your cluster? 
>
> I'm not sure what exact info you would like to see? 
>
> Here's how clients mount the GlusterFS volume: 
> ``` 
> $ fgrep gluster /proc/mounts 
> tp-glusterfs5:/glusterfs /net/glusterfs fuse.glusterfs 
> rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072 
> 0 0 
> ``` 
>
> Here's some server-side info: 
>
> ``` 
> $ sudo gluster volume info glusterfs 
>
> Volume Name: glusterfs 
> Type: Distribute 
> Volume ID: a3358ff6-5cec-4a65-9ecf-a63bbe56dfd9 
> Status: Started 
> Snapshot Count: 0 
> Number of Bricks: 5 
> Transport-type: tcp 
> Bricks: 
> Brick1: pelkmanslab-tp-glusterfs5:/srv/glusterfs 
> Brick2: pelkmanslab-tp-glusterfs4:/srv/glusterfs 
> Brick3: pelkmanslab-tp-glusterfs3:/srv/glusterfs 
> Brick4: pelkmanslab-tp-glusterfs1:/srv/glusterfs 
> Brick5: pelkmanslab-tp-glusterfs2:/srv/glusterfs 
> Options Reconfigured: 
> diagnostics.client-log-level: WARNING 
> diagnostics.brick-log-level: INFO 
> features.uss: disable 
> features.barrier: disable 
> performance.client-io-threads: on 
> transport.address-family: inet 
> nfs.disable: on 
> snap-activate-on-create: enable 
>
> $ sudo gluster volume get all all 
> Option                                  Value 
> ------                                  ----- 
> cluster.server-quorum-ratio             51 
> cluster.enable-shared-storage           disable 
> cluster.op-version                      60000 
> cluster.max-op-version                  60000 
> cluster.brick-multiplex                 disable 
> cluster.max-bricks-per-process          250 
> cluster.localtime-logging               disable 
> cluster.daemon-log-level                INFO 
>
> $ cat /etc/glusterfs/glusterd.vol 
> volume management 
>     type mgmt/glusterd 
>     option working-directory /var/lib/glusterd 
>     option transport-type socket,rdma 
>     option transport.socket.keepalive-time 10 
>     option transport.socket.keepalive-interval 2 
>     option transport.socket.read-fail-log off 
>     option transport.socket.listen-port 24007 
>     option transport.rdma.listen-port 24008 
>     option ping-timeout 0 
>     option event-threads 1 
> #   option lock-timer 180 
> #   option transport.address-family inet6 
> #   option base-port 49152 
>     option max-port  60999 
> end-volume 
> ``` 
>
> Both server and clients are running v6.5 and op-version is 60000 everywhere. 
>
> Thanks, 
> Riccardo