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 server errors

This section focuses on MySQL 8 server errors. The section describes the errors related to MySQL server administration, table definitions, and known issues in the MySQL 8 server.

Issues with file permissions

If the UMASK or UMASK_DIR environment variables are set incorrectly upon server startup, we may have problems with file permissions. The MySQL server may issue following error message upon table creation:

ERROR: Can't find file: 'path/with/file_name' (Errcode: 13)

The default values for UMASK and UMASK_DIR system variables are 0640 and 0750, respectively. If the value of these environment variables starts with zero, it indicates to the MySQL server that the values are in octal. For...