February 2020
Intermediate to advanced
734 pages
38h 13m
English
Content preview from PostgreSQL 12 High Availability Cookbook - Third Edition
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How it works...
The first thing we do is create an authentication file that PgBouncer can use. As a third-party daemon, it does not have direct access to PostgreSQL authentication. Yet, it must still authenticate users before assigning pool resources. Unfortunately, this means we need to create a copy of the current users and their encrypted passwords that PgBouncer can use. This file should be regenerated any time new users are created or passwords are changed.
Frequently regenerating this file will probably be extremely inconvenient in many environments. We recommend either automating this process or relying on Lightweight Directory Access Protocol (LDAP), Pluggable Authentication Modules (PAM), or some other service that PgBouncer can ...
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