Serkan Çoban
2018-Nov-25 17:49 UTC
[Gluster-users] Can glusterd be restarted running on all nodes at once while clients are mounted?
2500-3000 disks per cluster is maximum usable limit, after that almost nothing works. We are using 2700 disk cluster for cold storage with ec. Be careful on heal operations, i see 1 week /8T heal throughput... On Sun, Nov 25, 2018 at 6:16 PM Andreas Davour <ante at update.uu.se> wrote:> > On Sun, 25 Nov 2018, Jeevan Patnaik wrote: > > > Hi Andreas, > > > > Before rebooting, I have tried some performance tuning inorder to prevent > > timeout errors. As we have sufficient RAM and cpu power, I have > > increased transport.listen-backlog in Kernel and syn_backlog and > > max-connections in Kernel. So, I expected that it won't cause a problem. > > Also the NFS clients are mounted but not being used. And all the nodes are > > in same network. > > > > My assumption was that some slowness in the beginning can be seen, which > > will be resolved automatically. > > > > Is it still a base idea to have 72 nodes and starting them at once? > > The reason for my question is that we have a cluster of 16 nodes, and > see excessive metadata ops slowdowns, and it seems to be at least > partially because of the size of the cluster. > > /andreas > > -- > "economics is a pseudoscience; the astrology of our time" > Kim Stanley Robinson > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > https://lists.gluster.org/mailman/listinfo/gluster-users