120G data 28G heap out of 48 on system 9 node cluster, RF3
On Thu, Aug 23, 2018, 17:19 Mohamadreza Rostami < mohamadrezarosta...@gmail.com> wrote: > Hi, > How much data do you have? How much RAM do your servers have? How much do > you have a heep? > On Thu, Aug 23, 2018 at 10:14 PM Mun Dega <mundeg...@gmail.com> wrote: > >> Hello, >> >> We recently upgraded from Cassandra 2.1 to 3.11.2 on one cluster. The >> process went OK including upgradesstable but we started to experience high >> latency for r/w, occasional OOM and long GC pause after. >> >> For the same cluster with 2.1, we didn't have any issues like this. We >> also kept server specs, heap, all the same in post upgrade >> >> Has anyone else had similar issues going to 3.11 and what are the major >> changes that could have such a major setback in the new version? >> >> Ma Dega >> >
