---
title: "Postmaster — Database Glossary | Xata"
description: "The main PostgreSQL server process. Listens for client connections and forks backend processes to handle them. Also manages background workers, checkpoi..."
source: "https://xata.io/glossary/postmaster"
---

# Postmaster

PostgreSQL

The main PostgreSQL server process. Listens for client connections and forks backend processes to handle them. Also manages background workers, checkpointing, WAL archiving, and replication processes.

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