Book Image

Mastering PostgreSQL 10

Book Image

Mastering PostgreSQL 10

Overview of this book

PostgreSQL is an open source database used for handling large datasets (big data) and as a JSON document database. This book highlights the newly introduced features in PostgreSQL 10, and shows you how you can build better PostgreSQL applications, and administer your PostgreSQL database more efficiently. We begin by explaining advanced database design concepts in PostgreSQL 10, along with indexing and query optimization. You will also see how to work with event triggers and perform concurrent transactions and table partitioning, along with exploring SQL and server tuning. We will walk you through implementing advanced administrative tasks such as server maintenance and monitoring, replication, recovery, high availability, and much more. You will understand common and not-so-common troubleshooting problems and how you can overcome them. By the end of this book, you will have an expert-level command of advanced database functionalities and will be able to implement advanced administrative tasks with PostgreSQL 10.
Table of Contents (15 chapters)

Log Files and System Statistics

In Chapter 4, Handling Advanced SQL, you learned a lot about advanced SQL and ways to see SQL in a different light. However, database work does not only consist of hacking up fancy SQL. Sometimes, it is also about keeping things running in a professional manner. To do that, it is highly important to keep an eye on system statistics, log files, and so on. Monitoring is the key to running databases professionally.

In this chapter, you will learn about the following topics:

  • Gathering runtime statistics
  • Creating log files
  • Gathering important information
  • Making sense of database statistics

At the end of this chapter, you will be able to configure PostgreSQL's logging infrastructure properly and take care of log files in the most professional way possible.