[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

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