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What should I monitor MySQL?
Top 6 Tools to Monitor MySQL Databases
- Sematext MySQL Monitoring. Sematext is a full-stack observability solution with support for MySQL monitoring.
- Percona Monitoring and Management Tool (PMM)
- VividCortex MySQL Analyzer.
- MySQL Enterprise Monitor.
- Datadog MySQL.
- Prometheus and MySQLD Exporter.
What is MySQL performance metrics?
MySQL users have a number of options for monitoring query latency, both by making use of MySQL’s built-in metrics and by querying the performance schema. Enabled by default since MySQL 5.6. 6, the tables of the performance_schema database within MySQL store low-level statistics about server events and query execution.
How do I start MySQL slow query log?
To enable the slow query log, type the following command at the mysql> prompt: SET GLOBAL slow_query_log = ‘ON’; There are additional options that you can set for the slow query log: By default, when the slow query log is enabled, it logs any query that takes longer than 10 seconds to run.
Do you need to monitor your MySQL server?
Monitoring MySQL server is no rocket science, provided you know what to monitor. MySQL gives a comprehensive list of variables to check your server’s health and performance. Let’s walk you through the crucial variables you should be monitoring.
What kind of metrics do I need to monitor my SQL Server?
To measure the performance of your batches, you’ll want to monitor batch requests per second along with other work metrics, such as the elapsed time of an execution plan, as well as resource metrics like memory used within your database server.
What does the MySQL error log tell you?
MySQL Error log not onlycontains information on server start and stop time but also critical errors that occur while the server is running. On some operating systems, the error log also contains stack trace of MySQL before it crashed. Any entry of type [error]obviously needs your attention.
What should I know about the default MySQL database?
In addition, ensure that all your MySQL users have passwords. The default MySQL installation comes with a database named ‘test’that anyone can access. This database is intended only for testing or tutorial purpose. The ‘test’can be accessed by users who do not have explicit privileges granted to that database.