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MySQL 9.2 Reference Manual  /  Optimization  /  Examining Server Thread (Process) Information

10.14 Examining Server Thread (Process) Information

To ascertain what your MySQL server is doing, it can be helpful to examine the process list, which indicates the operations currently being performed by the set of threads executing within the server. For example:

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mysql> SHOW PROCESSLIST\G *************************** 1. row *************************** Id: 5 User: event_scheduler Host: localhost db: NULL Command: Daemon Time: 2756681 State: Waiting on empty queue Info: NULL *************************** 2. row *************************** Id: 20 User: me Host: localhost:52943 db: test Command: Query Time: 0 State: starting Info: SHOW PROCESSLIST

Threads can be killed with the KILL statement. See Section 15.7.8.4, “KILL Statement”.