Appendix A. Glossary

Agent

Receives manager instructions and manages DBMS instances.

Data source

Connectable source for storing resources of a certain type. PPEM classifies data sources by their deployment type (e.g., internal and external) and by the type of stored resources (e.g., metrics, logs, and backups).

DBMS instance

Postgres Pro DBMS operating on a server or virtual machine.

Group

User group in PPEM.

Instance objects

Separate objects in the DBMS, such as tablespaces, databases, schemas, tables, and indexes.

Instance parameters

DBMS instance parameters, which are usually specified in the postgresql.conf configuration file.

Instance service

Method of starting a DBMS instance. It is recommended to use systemd.

Manager

Coordinates agent operation and serves requests from PPEM users.

Privilege

Right to perform an action with a resource in PPEM.

Role

Privilege group in PPEM.

User

Account associated with a user in PPEM.

Web Application

A browser-based graphical user interface designed to manage and monitor DBMS infrastructure and resources.