View all the threads and processes currently running in the MySQL server, including connection threads, query threads, replication threads, and so on.
You can monitor the performance and load of the MySQL server by checking the process list to see which queries are consuming a lot of system resources.
To diagnose performance issues with MySQL, such as slow queries and deadlocks, you can use the processlist to see which queries are currently running and blocking others.
To understand the operating status of a MySQL server, you can check which connections are active, which connections are in a blocked state, and so on.
By using the kill command, you can terminate a specific query thread, thereby releasing system resources.
