Yes you can use Oracle JDK if your prefer, I've been using the JDK with Cassandra in production for years without issue.
Regards, Mark On 18 February 2015 at 19:49, cass savy <casss...@gmail.com> wrote: > Can we install Oracle JDK instead of JRE in Cassandra servers? We have > few clusters running JDK when we upgraded to C*2.0. > > Is there any known issue or impact with using JDK vs JRE? > What is the reason to not use Oracle JDK in C* servers? > Is there any performance impact ? > > Please advice. > >