How to enable slow query logging in phpMyAdmin?

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by deron , in category: Third Party Scripts , 9 months ago

How to enable slow query logging in phpMyAdmin?

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1 answer

Member

by shyann , 8 months ago

@deron 

To enable slow query logging in phpMyAdmin, you will need to make changes in your MySQL configuration. Here are the steps to enable slow query logging:

  1. Open your MySQL configuration file. The location and name of this file may vary depending on your operating system and MySQL installation. Common locations include "my.cnf" or "my.ini".
  2. Look for the [mysqld] section in the configuration file. If it doesn't exist, create it.
  3. Add the following line to the [mysqld] section to enable slow query logging: slow_query_log = 1
  4. Specify the path where you want to save the slow query log file by adding the following line: slow_query_log_file = /path/to/slow-query.log Replace "/path/to/slow-query.log" with the actual path where you want to save the log file. Make sure the specified directory has write permissions for the MySQL process.
  5. Set the threshold for slow queries. The value represents the number of seconds a query must exceed to be considered slow. Add the following line: long_query_time = 2 Replace "2" with the desired threshold value in seconds.
  6. Save the configuration file.
  7. Restart the MySQL server for the changes to take effect.


Once the slow query logging is enabled, MySQL will start logging queries that take longer than the specified threshold value in the specified log file. You can then analyze the log file to identify slow queries and optimize them.