Keyspace
A keyspace is a system-defined namespace representing a set of addressable keys or, in some databases, the tables and settings grouped under such a namespace.
ScyllaDB in Action
A keyspace is a ScyllaDB or Cassandra namespace that contains tables and defines settings such as replication and durable writes.
- How it is used
- Organizes application tables while setting their cluster replication behavior.
- How deep it goes
- Explains creation, inspection, selection, and replication choices, while deferring nuanced production replication strategies.
- Examples
- Uses initial, types, and reviews keyspaces for food reviews, data-type experiments, and application tables.
- What you can do after
- Operate/configure it with CREATE KEYSPACE, DESCRIBE, and USE commands while choosing a replication configuration.
Spring in Action, Sixth Edition
A Cassandra keyspace is a namespace that groups tables and defines replication-related settings for them.
- How it is used
- Configures the Cassandra namespace and replication context used by Spring Data Cassandra repositories.
- How deep it goes
- Defines table grouping, creation, replication choices, and application configuration, but stops short of detailed cluster topology.
- Examples
- Uses the tacocloud keyspace, CQL shell creation, SimpleStrategy, replication factor 1, and Spring YAML configuration.
- What you can do after
- Operate/configure a Cassandra keyspace for Spring Data Cassandra applications using CQL and application YAML.
Read how Spring in Action, Sixth Edition explains keyspace →
Related concepts
- database tablehas part · A database table is a relational database structure that organizes records into rows and defined columns.
- replication factorconfigured by · A replication factor is the configured number of copies maintained for each replicated data item or resource.
- granularityconfigured by · Granularity is the level of detail or fineness at which information, behavior, or a system is represented, grouped, or divided.
- use statementconfigured by · A USE statement selects a database or namespace as the current context for subsequent operations in a session.
- NetworkTopologyStrategyconfigured by · NetworkTopologyStrategy is a database replication strategy that places replicas according to datacenter and rack topology, with configurable replication factors by datacenter.
- CQL shellused by · The CQL shell is an interactive command-line client for connecting to Cassandra-compatible databases and executing Cassandra Query Language statements.
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