Node grabs - Grab cassandra config, logs, status.
Node stats - Grabs cassandra and os stats (e.g. tpstats iostats) every N seconds until cancel.
Running on nix
A central server has passwordless access to the cassandra nodes
List nodes in cassandra_nodes_<env>.lst
Define a directory for output
Change python, java, cassandra data path etc as required.
cassandra_node_grabs.sh <env>
cassandra_stats_grabs.sh <env> <secs>
Output is organised by servernamedate, tar'd and compressed