MySQL performance monitoring is the process of tracking and measuring the performance of a MySQL database server. This information can be used to identify bottlenecks, troubleshoot performance problems, and plan for future growth. There are a number of different tools and techniques that can be used to monitor MySQL performance, including the MySQL command line tools, the MySQL Enterprise Monitor, and third-party tools such as Nagios and Zabbix.
MySQL performance monitoring is important for a number of reasons. First, it can help to identify bottlenecks in the database server. This information can then be used to tune the database server to improve performance. Second, performance monitoring can help to troubleshoot performance problems. If the database server is experiencing slowdowns, performance monitoring can help to identify the root cause of the problem. Finally, performance monitoring can help to plan for future growth. By tracking the performance of the database server over time, it is possible to identify trends and plan for future capacity needs.