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PostgreSQL 16 Administration Cookbook

PostgreSQL 16 Administration Cookbook

By : GIANNI CIOLLI, Boriss Mejías, Jimmy Angelakos, Vibhor Kumar, Simon Riggs
4.8 (27)
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PostgreSQL 16 Administration Cookbook

PostgreSQL 16 Administration Cookbook

4.8 (27)
By: GIANNI CIOLLI, Boriss Mejías, Jimmy Angelakos, Vibhor Kumar, Simon Riggs

Overview of this book

PostgreSQL has seen a huge increase in its customer base in the past few years and is becoming one of the go-to solutions for anyone who has a database-specific challenge. This PostgreSQL book touches on all the fundamentals of Database Administration in a problem-solution format. It is intended to be the perfect desk reference guide. This new edition focuses on recipes based on the new PostgreSQL 16 release. The additions include handling complex batch loading scenarios with the SQL MERGE statement, security improvements, running Postgres on Kubernetes or with TPA and Ansible, and more. This edition also focuses on certain performance gains, such as query optimization, and the acceleration of specific operations, such as sort. It will help you understand roles, ensuring high availability, concurrency, and replication. It also draws your attention to aspects like validating backups, recovery, monitoring, and scaling aspects. This book will act as a one-stop solution to all your real-world database administration challenges. By the end of this book, you will be able to manage, monitor, and replicate your PostgreSQL 16 database for efficient administration and maintenance with the best practices from experts.
Table of Contents (15 chapters)
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13
Other Books You May Enjoy
14
Index

Setting up streaming replication security

Streaming replication is at least as secure as normal user connections to PostgreSQL.

Replication uses standard libpq connections, so we have all the normal mechanisms for authentication and SSL support, and all the firewall rules are similar.

Replication must be specifically enabled on both the sender and standby sides. Cascading replication does not require any additional security.

When performing a base backup, the pg_basebackup, pg_receivewal, and pg_recvlogical utilities will use the same type of libpq connections as a running, streaming standby. You can use other forms of base backup, such as rsync, though you’ll need to set up the security configuration manually.

NOTE

Standbys are identical copies of the primary, so all users exist on all nodes with identical passwords. All of the data is identical (eventually), and all the permissions are the same too. If you wish to control access more closely,...

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