Book Image

PostgreSQL Administration Cookbook, 9.5/9.6 Edition - Third Edition

Book Image

PostgreSQL Administration Cookbook, 9.5/9.6 Edition - Third Edition

Overview of this book

PostgreSQL is a powerful opensource database management system; now recognized as the expert's choice for a wide range of applications, it has an enviable reputation for performance and stability. PostgreSQL provides an integrated feature set comprising relational database features, object-relational, text search, Geographical Info Systems, analytical tools for big data and JSON/XML document management. Starting with short and simple recipes, you will soon dive into core features, such as configuration, server control, tables, and data. You will tackle a variety of problems a database administrator usually encounters, from creating tables to managing views, from improving performance to securing your database, and from using monitoring tools to using storage engines. Recipes based on important topics such as high availability, concurrency, replication, backup and recovery, as well as diagnostics and troubleshooting are also given special importance. By the end of this book, you will have all the knowledge you need to run, manage, and maintain PostgreSQL efficiently.
Table of Contents (13 chapters)

Reloading the server configuration files

Some PostgreSQL configuration parameters can e.

How to do it...

There are two variants of this recipe, depending on whether you are using systemd. This is similar to the previous recipes in this chapter, and especially Starting the database server manually recipe. More details are explained there, such as the exact names of systemd service units depending on what database server you want to reload, and which GNU/Linux distribution you are working on.

With systemd, configuration files can be reloaded with the following syntax:

sudo systemctl reload SERVICEUNIT

Where SERVICEUNIT must be replaced with the exact name of the systemd service unit for the server(s) that you want to reload...