Terminology
The following table lists configuration versioning terms and concepts that you should know.
- configuration property
Configuration property managed by Ambari, such as NameNode heap size or replication factor
- configuration type (config type)
Group of configuration properties: for example, hdfs-site
- service configurations
Set of configuration types for a particular service: for example, hdfs-site and core-site as part of the HDFS service configuration
- change notes
Optional notes to save with a service configuration change
- service config version (SCV)
A particular version of a configuration for a specific service
- host config group (HCG)
A set of configuration properties to apply to a specific set of hosts