Cassandra

Describe current Cassandra cluster and its object

# Describe Cluster - shows information about the cluster
cqlsh> describe cluster;

# Describe Keyspaces - lists all keyspaces in cluster
cqlsh> describe keyspaces;

# Describe Tables - lists all tables in a keyspace
cqlsh> describe tables;

# Describe Types - lists all user-defined data types
cqlsh:TABLENAME> DESCRIBE TYPES;

# Describe Type - describes a user-defined data type
cqlsh:TABLENAME> describe type DATA_TYPE;

Show details of current cqlsh session such as Cassandra version, host or data type assumptions

# Show information about current host
cqlsh:TABLENAME> show host;

# Show version about current cqlsh session
cqlsh:TABLENAME> show version;

Stress test

# Run stress test with specified node
cassandra-stress write n=1 -node 172.19.0.2