Cassandra Davis Leaked Original Creator Submissions #911

Apache cassandra is an open source nosql distributed database trusted by thousands of companies for scalability and high availability without compromising performance. Since it is a distributed database, cassandra can (and usually does) have multiple nodes A node represents a single instance of cassandra This is the official documentation for apache cassandra If you would like to contribute to this documentation, you are welcome to do so by submitting your contribution like any other patch following these instructions. You can start cassandra with sudo service cassandra start and stop it with sudo service cassandra stop However, normally the service will start automatically For this reason be sure to stop it if you need to make any configuration changes Verify that cassandra is running by invoking nodetool status from the command line. A custom type is a string that contains the name of java class that extends the server side abstracttype class and that can be loaded by cassandra (it should thus be in the classpath of every node running cassandra). It is shipped with every cassandra package, and can be found in the bin directory alongside the cassandra executable It connects to the single node specified on the command line. Read through the cassandra basics to learn main concepts and how cassandra works at a high level To understand cassandra in more detail, head over to the docs Browse through the case studies to learn how other users in our worldwide community are getting value out of cassandra. Additional information this section covers how to get started using apache cassandra and should be the first thing to read if you are new to cassandra.