You may want to read Al Tobey’s Cassandra tuning guide. It’s got a section on G1. It’s being widely used, successfully, at massive scale.
https://tobert.github.io/pages/als-cassandra-21-tuning-guide.html <https://tobert.github.io/pages/als-cassandra-21-tuning-guide.html> > On Oct 13, 2015, at 2:03 PM, K F <kf200...@yahoo.com> wrote: > > Hi, > > has anyone started to use G1 collector. If so, how is the experience. Can you > share your insights into some of the important tune up you had to do for > cassandra. We are planning to use G1 collector with the latest version of jre > 1.8.x > > Thanks.