Terminology cont'd
- Measurement: a container for tags, fields, and the time column - similar to a table in rdbms
- Retention policy: defintion for number of copies of data in a cluster and duration for InfluxDb to keep data before auto-eviction
- Database: logical container for time series data, users, retention policies, and continuous queries
- Series: definition for Measurement, Retention Policy, and Tag Set
- Server: physical server, virtual machine, or a container running InfluxDb process
- Node: InfluxDb process running on a server, one process per server
- Cluster: proprietary (closed source) clustering functionality to support fault-tolerance and scalability of the database and the stream-processor