Ferenc, > Hi, > > Sooner or later I'll have to scale our Corosync cluster from four nodes > to tens of nodes. I read that this is larger than "usual", so some > parameter tuning might be necessary for stable operation. Thus I'm > looking for some concrete guidance about what to tune and how. Beyond > that, I wonder if there's some way to extract helpful info from Corosync > itself to see how well it copes in its current environment. Like > average token round trip time (or equivalently, total token flight time > and number of flights), number of lost tokens or retransmissions, you > get the idea. Probably better than me, who does not know a thing about There are statistics stored in cmap/objdb. They are described in cmap_keys(8)/confdb_keys(8) (depending if you are using corosync 1.x or 2.x). > Corosync. So, is there something like this available? If not, would it > be useful to add? > Take a look to existing keys and if you find something missing it would be probably useful to add it. Regards, Honza _______________________________________________ discuss mailing list discuss@xxxxxxxxxxxx http://lists.corosync.org/mailman/listinfo/discuss
