Thanks Meg! Yes, we have already identified the problematics stables (there
are 2 out of ~740). They are in one of our keyspaces not in system.
I’m not sure what connection request exceptions you are talking about? This?
ERROR [SharedPool-Worker-3] 2017-03-28 23:50:33,998 Message.java:621 -
We just upgraded our 33 node cluster from 2.0.10 to 2.1.15 to 3.0.12. The
upgrade from 2.0.10 to 2.1.15 went very smoothly - both the rolling software
update and the subsequent ‘nodetool upgradesstables’. However we have had a
number of issues with the 3.0.12 upgrade:
The first issue we notic