Might be a silly question, but did you run "nodetool upgradesstables" and convert to the 3.0 format? Also, which 3.0? Newest, or an earlier 3.0.x?
On Fri, Aug 10, 2018 at 3:05 PM, kooljava2 <koolja...@yahoo.com.invalid> wrote: > Hello, > > We recently upgrade C* from 2.1 to 3.0. After the upgrade we are seeing > increase in the total read bytes and read ops on the EBS volumes. It > almost doubled on all the nodes. The number of writes are same. > > > Thank you. >