> > > Forgive me, but what is CMS? > Sorry - ConcurrentMarkSweep garbage collector.
> > No. I’ve tried some mitigations since tuning thread pool sizes and GC, but > the problem begins with only an upgrade of Cassandra. No other system > packages, kernels, etc. > > > >From what 2.0 version did you upgrade? If it was < 2.0.7, you would need to run 'nodetool upgradesstables' but I'm not sure the issue would manifest that way. Otherwise, double check the DSE release notes and upgrade guide. I've not had any issues like this going from 2.0.x to 2.1.x on vanilla C*. -- ----------------- Nate McCall Austin, TX @zznate Co-Founder & Sr. Technical Consultant Apache Cassandra Consulting http://www.thelastpickle.com
