This role installs Apache Cassandra
- G1GC used
- RAM amount can be provided in GB or in node memory percent
- runit supervisor used to run cassandra
| variable name | default value | comment |
|---|---|---|
| cassandra_version | 2.1.9 | version to be installed, could also be latest for Latest release or stable for Stable release |
| cassandra_version_sha1 | c7fc9a9c892ec5e8bb5a52c6d15cb89234418e04 | SHA1 checksum to check the downloaded file, autodetected if version is set to latest or stable |
| cassandra_user | cassandra | user the cassandra will be running with |
| cassandra_cluster_name | cassandra | cluster name |
| cassandra_cluster_group_name | cassandra | the name on the inventory group contains the cluster hosts. used to get seeds addresses |
| cassandra_path_install | /opt | path the cassanda will be installed |
| cassandra_path_data | ["/opt/cassandra-data/data"] | array of paths the cassanda will store data in |
| cassandra_path_logs | /opt/cassandra-data/logs | path the cassanda will store logs |
| cassandra_path_caches | /opt/cassandra-data/caches | path the cassanda will store caches |
| cassandra_start | cassandra-autoconfig | cassandra start script |
| cassandra_kill | java | program to be killed to restart cassandra |
| cassandra_runit | cassandra | runit service name |
| cassandra_node_iface_ext | eth0 | external network interface name (rpc_address, client connection) |
| cassandra_node_iface_int | eth0 | internal network interface name (listen_address, node communication) |
| cassandra_mem_gb | 0 | RAM available to cassandra in GB |
| cassandra_mem_pc | 50 | RAM available to cassandra in percent. Ignored if cassandra_mem_gb provided |
| cassandra_ommit_bin_link | false | if false, a symlink is created at /usr/local/bin/cqlsh |
| cassandra_force_upgrade | false | if false and /opt/cassandra exists it won't be replaced |