You're reading from Learn PostgreSQL

Product typeBook

Published inOct 2020

Reading LevelIntermediate

PublisherPackt

ISBN-139781838985288

Edition1st Edition

Languages

SQL

Tools

PostgreSQL

Concepts

Databases

Authors (2):

Luca Ferrari

Enrico Pirozzi

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Cluster configuration

PostgreSQL is configured by means of a bunch of text files that contain directives and values used to bootstrap the cluster and get it running. We saw how configuration files are handled at the beginning of this book and throughout, whenever we needed to perform particular configurations, such as to manage logging. This section will revisit and explain how to configure a cluster in more detail.

There are two main configuration files that present the starting point for any configuration:

postgresql.conf is the main cluster configuration file and contains all the data required to start the cluster, set up processes (as WAL senders) and logging, and configure how the cluster will accept connections (for example, on which TCP/IP address).
pg_hba.conf is the file that's used to allow or deny the client connections to the cluster. It was explained extensively in Chapter 3, Managing Users and Connections, and is related to the users and roles authentication mechanisms...

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Published in: Oct 2020Publisher: PacktISBN-13: 9781838985288

Authors (2)

Luca Ferrari

Luca Ferrari has been passionate about computer science since the Commodore 64 era, and today holds a master's degree (with honors) and a Ph.D. from the University of Modena and Reggio Emilia. He has written several research papers, technical articles, and book chapters. In 2011, he was named an Adjunct Professor by Nipissing University. An avid Unix user, he is a strong advocate of open source, and in his free time, he collaborates with a few projects. He met PostgreSQL back in release 7.3; he was a founder and former president of the Italian PostgreSQL Community (ITPUG). He also talks regularly at technical conferences and events and delivers professional training.
Read more about Luca Ferrari

Enrico Pirozzi

Enrico Pirozzi, EnterpriseDB certified on implementation management and tuning, with a master's in computer science, has been a PostgreSQL DBA since 2003. Based in Italy, he has been providing database advice to clients in industries such as manufacturing and web development for 10 years. He has been training others on PostgreSQL since 2008. Dedicated to open source technology since early in his career, he is a cofounder of the PostgreSQL Italian mailing list, PostgreSQL-it, and of the PostgreSQL Italian community site, PSQL
Read more about Enrico Pirozzi

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