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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

Connecting using encryption (SSL / GSSAPI)

Here, we will demonstrate how to enable PostgreSQL to use SSL for the protection of database connections, by encrypting all of the data passed over that connection. Using SSL makes it much harder to sniff database traffic, including usernames, passwords, and other sensitive data. Otherwise, everything that is passed unencrypted between a client and the database can be observed by someone listening to a network somewhere between them. An alternative to using SSL is running the connection over a VPN.

Using SSL makes the data transfer on the encrypted connection a little slower, so you may not want to use it if you are sure that your network is safe. The performance impact can be quite large if you are creating lots of short connections, as setting up an SSL connection is quite Central-Processing-Unit (CPU)-heavy. In this case, you may want to run a local connection-pooling solution, such as PgBouncer, to which the client connects without...

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