The following commands and shell options are used with Cassandra 2.2 and 3.x.
Increase Request Timeout for local database connection
The following option increases the request timeout for the current session.
./cassandra/bin/cqlsh --request-timeout=3600
Clear all former snapshots
./cassandra/bin/nodetool clearsnapshot
Increase Heap size for local session (mostly development)
MAX_HEAP_SIZE=8g HEAP_NEWSIZE=2g ./cassandra/bin/cassandra -f
Starting and connecting local cassandra instance
# Startup ./cassandra/bin/cassandra -f # Connect ./bin/cqlsh localhost
Show all Keysapces
DESCRIBE KEYSPACES;
Show all tables of a Keyspace
DESCRIBE KEYSPACE keyspaceName;
Set a Keyspace as current working space
USE keyspaceName;