interactive_timeout

[mysqld]
interactive_timeout=20

 交互式连接

会话1

[root@localhost ~]# mysql -umysql -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 2
Server version: 5.6.28-debug-log Source distribution

Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.

会话2

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |    8 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |    9 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |    9 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   10 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   10 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   11 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.01 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   12 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   12 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   13 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   14 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   14 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.01 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   15 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   16 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   16 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   17 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   18 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   18 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   19 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+-------+-----------+------+---------+------+-------+-----------------------+
| Id | User  | Host      | db   | Command | Time | State | Info                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
|  8 | root  | localhost | NULL | Query   |    0 | init  | show full processlist |
| 10 | mysql | localhost | NULL | Sleep   |   20 |       | NULL                  |
+----+-------+-----------+------+---------+------+-------+-----------------------+
2 rows in set (0.00 sec)

mysql> show full processlist;
+----+------+-----------+------+---------+------+-------+-----------------------+
| Id | User | Host      | db   | Command | Time | State | Info                  |
+----+------+-----------+------+---------+------+-------+-----------------------+
|  8 | root | localhost | NULL | Query   |    0 | init  | show full processlist |
+----+------+-----------+------+---------+------+-------+-----------------------+
1 row in set (0.00 sec)


20秒钟后,会话1,退去