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Learn PostgreSQL

You're reading from   Learn PostgreSQL Build and manage high-performance database solutions using PostgreSQL 12 and 13

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Product type Paperback
Published in Oct 2020
Publisher Packt
ISBN-13 9781838985288
Length 650 pages
Edition 1st Edition
Languages
Concepts
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Authors (2):
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Enrico Pirozzi Enrico Pirozzi
Author Profile Icon Enrico Pirozzi
Enrico Pirozzi
Luca Ferrari Luca Ferrari
Author Profile Icon Luca Ferrari
Luca Ferrari
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Toc

Table of Contents (27) Chapters Close

Preface 1. Section 1: Getting Started
2. Introduction to PostgreSQL FREE CHAPTER 3. Getting to Know Your Cluster 4. Managing Users and Connections 5. Section 2: Interacting with the Database
6. Basic Statements 7. Advanced Statements 8. Window Functions 9. Server-Side Programming 10. Triggers and Rules 11. Partitioning 12. Section 3: Administering the Cluster
13. Users, Roles, and Database Security 14. Transactions, MVCC, WALs, and Checkpoints 15. Extending the Database - the Extension Ecosystem 16. Indexes and Performance Optimization 17. Logging and Auditing 18. Backup and Restore 19. Configuration and Monitoring 20. Section 4: Replication
21. Physical Replication 22. Logical Replication 23. Section 5: The PostegreSQL Ecosystem
24. Useful Tools and Extensions 25. Toward PostgreSQL 13 26. Other Books You May Enjoy

Extracting information from logs – PgBadger

Thanks to the rich set of information that can be included in the logs, it is possible to automate log information analysis and extraction. There are several tools with this aim, and one of the most popular is PgBadger.

PgBadger is a self-contained Perl 5 application that carefully reads and extracts information from PostgreSQL logs, producing a web dashboard with a summary of all the information it has found in the logs. The aim of this application is to provide you with a more useful insight into the logs without having to manually search for specific information with low-level tools such as grep, awk, and text editors.

Using PgBadger is not mandatory; your cluster will work fine without it and you will be able to seek information and problems in the logs anyway. However, using PgBadger deeply simplifies log management and provides you with more useful hints about what your server has done.

It is important to note that using PgBadger...

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