Re: Cassandra running Multiple JVM's

2018-10-24 Thread Jonathan Haddad
Another issue you'll need to consider is how the JVM allocates resources towards GC, especially if you're using G1 with a pause time goal. Specifically, if you let it pick it's own numbers for ParallelGCThreads & ConcGCThreads they'll be based on the total number of CPUs, not the number you've rest

Re: Cassandra running Multiple JVM's

2018-10-24 Thread Jeff Jirsa
I don't have time to reply to your stackoverflow post, but what you proposed is a great idea for a server that size. You can use taskset or numactl to bind each JVM to the appropriate cores/zones. Setup a data directory on each SSD for the data There are two caveats you need to think about: 1) Y

Cassandra running Multiple JVM's

2018-10-24 Thread Bobbie Haynes
I have three Physical servers. I want to run cassandra on multiple JVM's i.e each physical node contains 2 cassandra nodes so that i could able to run 6 node cluster.Could anyone help me pointing setup guide. Each Physical node Configuration:- RAM -256 GB --- I want to assign each JVM(64GB) cores