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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

Actions for heavy users of temporary tables

If you are a heavy user of temporary tables in your applications, then there are some additional actions that you may need to perform.

How to do it…

There are four main things to check, which are as follows:

  • Make sure you run VACUUM on system tables or enable autovacuum so that it will do this for you.
  • Monitor running queries to see how many temporary files are active and how large they are.
  • Tune the memory parameters. Think about increasing the temp_buffers parameter, but be careful not to over-allocate memory.
  • Separate the temp table’s I/O. In a query-intensive system, you may find that reads/writes to temporary files exceed reads/writes on permanent data tables and indexes because some queries don’t fit in working memory and have to spill over into temp files on disk. In this case, you should create a new tablespace(s) on separate disks, and ensure that the temp_tablespaces parameter...

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