Cassandra Management and Maintenance - Real-time Analytics with Storm and Cassandra - page 182

Quiz time
Q.1. State whether the following statements are true or false.
1. Cassandra has a single point of failure.
2. A dead node is immediately detected in a Cassandra ring.
3. Gossip is a data exchange protocol.
4. The decommission and removenode commands are same.
Q.2. Fill in the blanks.
1. _______________ is the command used to run compactions.
2. _______________ is the command to get the information about a live node.
3. ___________ is the command that displays the entire cluster information.
Q.3. Execute the following use case to see Cassandra high availability and replications:
1. Creating a 4-node Cassandra cluster.
2. Creating a keyspace with a replication factor of 3.
3. Bringing down a Cassandra daemon on one the nodes.
4. Executing nestat on each node to see the data streaming.