Environment Settings Configuration 83 Heap Sizing Options 83 JMX Options 83 Further Reading on JVM Tuning 84 Authentication and Authorization Configuration 84 access.properties 84 passwd.properties Installation Create a Column Family 2 Cassandra is a Java program and requires a Java Virtual Machine (JVM) to be installed before you can start the server. For production deployments, you will need the Sun Runtime Environment 1.6.0_19 or later, but if you are just installing an evaluation instance, any JVM is fine. To check for Java, run the following command in a terminal session: # java -version If

Datastax java driver 1.ansible自动部署 2.Zabbix监控 运维和监控 运维和监控 性能调优 1.集群调优 1)Cassandra本身参数优化设置 2)JVM参数优化设置 2.schema设计优化 性能调优-集群调优化 集群参数设置 1.memtable_allocation_type heap_buffers: on heap nio buffer Sstable compression 4.Concurrent compactor 5.memtable_flush_writers 6.Netty io线程数目 性能调优-集群调优化 JVM调优化 1.堆的大小选择 2.取消偏向锁 https://tobert.github.io/pages/als-cassandra-21-tuning-guide.html 性能调优-集群调优化