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PostgreSQL 14 Administration Cookbook

You're reading from PostgreSQL 14 Administration Cookbook

Product type Book

Published in Mar 2022

Publisher Packt

ISBN-13 9781803248974

Pages 608 pages

Edition 1st Edition

Languages

Concepts

Authors (2):

Simon Riggs

Gianni Ciolli

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Table of Contents (14) Chapters

Preface

Chapter 1: First Steps

Chapter 2: Exploring the Database

Chapter 3: Server Configuration

Chapter 4: Server Control

Chapter 5: Tables and Data

Chapter 6: Security

Chapter 7: Database Administration

Chapter 8: Monitoring and Diagnosis

Chapter 9: Regular Maintenance

Chapter 10: Performance and Concurrency

Chapter 11: Backup and Recovery

Chapter 12: Replication and Upgrades

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Delaying, pausing, and synchronizing replication

Some advanced features and thoughts for replication are covered here.

Getting ready

If you have multiple standby servers, you may want to have one or more servers operating in a delayed apply state—for example, 1 hour behind the primary. This can be useful to help recover from user errors such as mistaken transactions or dropped tables without having to perform a PITR.

How to do it…

Normally, a standby will apply changes as soon as possible. When you set the recovery_min_apply_delay parameter in recovery.conf, the application of commit records will be delayed by the specified duration. Note that only commit records are delayed, so you may receive Hot Standby cancelations when using this feature. You can prevent that in the usual way by setting hot_standby_feedback to on, but use this with caution since it can cause...

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Authors (2)

Simon Riggs

Simon Riggs is the CTO of 2ndQuadrant, having contributed to PostgreSQL as a major developer and committer for 14 years. He has written and designed features for replication, performance, BI, management, and security. Under his guidance, 2ndQuadrant is now a leading developer of open source PostgreSQL, serving hundreds of clients in USA, Europe, and worldwide. Simon is a frequent speaker at many conferences on PostgreSQL Futures. He has worked as a database architect for 30 years.

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Gianni Ciolli

Gianni Ciolli is the Vice President for Solutions Architecture at EnterpriseDB (EDB). As a PostgreSQL consultant, he has driven many successful enterprise deployments for customers in every part of the globe.Gianni is respected worldwide as a popular speaker and trainer at many PostgreSQL conferences in Europe and abroad over the last 14 years. He has worked with free and open-source software since the 1990s as an active member of the community (Prato Linux User Group, and Italian PostgreSQL Users Group). Gianni has a Ph.D. in Mathematics from the University of Florence. He lives in London with his son. His other interests include music, drama, poetry and athletics.

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