---
title: "Cloud DB for PostgreSQL glossary"
slug: "clouddbforpostgresql-glossary"
updated: 2026-09-17T09:25:07Z
published: 2026-09-17T09:25:07Z
canonical: "guide.ncloud-docs.com/clouddbforpostgresql-glossary"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Cloud DB for PostgreSQL glossary

Available in VPC

There are a few terms you need to know to use Cloud DB for PostgreSQL. The terms and their descriptions are as follows.

### Backup

A feature in Cloud DB for PostgreSQL that enables identification of backup information configured per server for safe storage of users' database data in use, as well as execution of recovery from backup files.

### Event

A feature in Cloud DB for PostgreSQL that enables identification of event history by collecting events that occurred in Cloud DB for PostgreSQL servers.

### Monitoring

A feature in Cloud DB for PostgreSQL that enables identification of monitoring information regarding server performance, operating system, and query execution related to PostgreSQL servers in operation.

### PostgreSQL Log

Log recorded by the PostgreSQL engine according to the settings. You can view information including server log and slow query, for details about log settings refer to the [official guide document](https://www.postgresql.org/docs/current/runtime-config-logging.html).

### PostgreSQL Server

A DB server serviced on cloud environment upon installation of PostgreSQL with optimized settings that have been verified for a long time by NAVER services.

### PostgreSQL Service

It refers to a group of PostgreSQL Servers. It may include one primary, one secondary, and read replicas if configured to have high availability. Otherwise it'd be standalone.

### Primary

The main server when using the high availability feature.

### Read Replica

A read-only server that can be added for read load balancing when using the high availability feature.

### Role

Role of a PostgreSQL Server. There are four types of roles: standalone, primary, secondary, and read replica

### Secondary

A standby server that can be newly switched to be the primary server in case of failover when using the high availability feature.

### Slow Query Log

A query that has run longer than the specified value in log_min_duration_statement (default: -1). Settings need to be adjusted to be able to view this from the PostgreSQL log.

### Standalone

The main server when not using the high availability feature.

### Node

Refers to PostgreSQL Server in Cloud DB for PostgreSQL provided in the cloud environment.

          Note

          

To see a full list of terms and definitions, go to [Glossary](https://www.ncloud.com/guideCenter/glossary) from the NAVER Cloud Platform portal.