Book Image

MySQL 8 Administrator???s Guide

By : Chintan Mehta, Ankit K Bhavsar, Hetal Oza, Subhash Shah
Book Image

MySQL 8 Administrator???s Guide

By: Chintan Mehta, Ankit K Bhavsar, Hetal Oza, Subhash Shah

Overview of this book

MySQL is one of the most popular and widely used relational databases in the world today. The recently released version 8.0 brings along some major advancements in the way your MySQL solution can be administered. This handbook will be your companion to understand the newly introduced features in MySQL and show you how you can leverage them to design a high-performance MySQL solution for your organization. This book starts with a brief introduction to the new features in MySQL 8, and then quickly jumping onto the crucial administration topics that you will find useful in your day-to-day work. Topics such as migrating to MySQL 8, MySQL benchmarking, achieving high performance by implementing the indexing techniques, and optimizing your queries are covered in this book. You will also learn how to perform replication, scale your MySQL solution and implement effective security techniques. There is also a special section on the common and not so common troubleshooting techniques for effective MySQL administration is also covered in this book. By the end of this highly practical book, you will have all the knowledge you need to tackle any problem you might encounter while administering your MySQL solution.
Table of Contents (17 chapters)

MySQL 8 troubleshooting approach

In this section of the chapter, we will focus on the MySQL 8 troubleshooting approach. Why do we need to troubleshoot MySQL 8? The reasons for troubleshooting are as follows:

  • Faster execution of SQL queries
  • Performance enhancement
  • Efficient use of resources

The primary set of resources include CPU, disk IO, memory, and network. There are two approaches to measure MySQL performance:

  • In a query focused approach, it is important to measure how fast the queries get executed
  • In resource focused approach, it is important that the queries use fewer resources.

Let us take a deeper look at ways to troubleshoot MySQL problems.

Analyzing queries

EXPLAIN is the SQL statement that provides information...