Managing and Monitoring a Cluster
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Service configuration terminology

Terms and concepts that describe configuration versioning.

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