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mysql timeout 시간 변경하기

Eody 2025. 3. 7. 14:08

mysql> show variables like '%timeout';
+-----------------------------------+----------+
| Variable_name                     | Value    |
+-----------------------------------+----------+
| connect_timeout                   | 10       |
| delayed_insert_timeout            | 300      |
| have_statement_timeout            | YES      |
| innodb_flush_log_at_timeout       | 1        |
| innodb_lock_wait_timeout          | 50       |
| innodb_rollback_on_timeout        | OFF      |
| interactive_timeout               | 10       |
| lock_wait_timeout                 | 31536000 |
| mysqlx_connect_timeout            | 30       |
| mysqlx_idle_worker_thread_timeout | 60       |
| mysqlx_interactive_timeout        | 28800    |
| mysqlx_port_open_timeout          | 0        |
| mysqlx_read_timeout               | 30       |
| mysqlx_wait_timeout               | 28800    |
| mysqlx_write_timeout              | 60       |
| net_read_timeout                  | 30       |
| net_write_timeout                 | 60       |
| replica_net_timeout               | 60       |
| rpl_stop_replica_timeout          | 31536000 |
| rpl_stop_slave_timeout            | 31536000 |
| slave_net_timeout                 | 60       |
| ssl_session_cache_timeout         | 300      |
| wait_timeout                      | 10       |
+-----------------------------------+----------+
23 rows in set (0.00 sec)

 

timeout 시간 변경을 위해 cnf파일 수정

 

sudo vi /etc/mysql/mysql.conf.d/mysqld.cnf 


[mysqld]
ssl=0
wait_timeout = 110      # 비인터랙티브 클라이언트의 연결 대기 시간 (초)
interactive_timeout = 210
#
# * Basic Settings
#

 

wireshark로 패킷 보고싶어서 ssl도 꺼놧음

시간 바꿔본다

 

저장하고 mysql 서버 재시작

 

sudo systemctl restart mysql

 

 


mysql> show variables like '%timeout';
+-----------------------------------+----------+
| Variable_name                     | Value    |
+-----------------------------------+----------+
| connect_timeout                   | 10       |
| delayed_insert_timeout            | 300      |
| have_statement_timeout            | YES      |
| innodb_flush_log_at_timeout       | 1        |
| innodb_lock_wait_timeout          | 50       |
| innodb_rollback_on_timeout        | OFF      |
| interactive_timeout               | 210      |
| lock_wait_timeout                 | 31536000 |
| mysqlx_connect_timeout            | 30       |
| mysqlx_idle_worker_thread_timeout | 60       |
| mysqlx_interactive_timeout        | 28800    |
| mysqlx_port_open_timeout          | 0        |
| mysqlx_read_timeout               | 30       |
| mysqlx_wait_timeout               | 28800    |
| mysqlx_write_timeout              | 60       |
| net_read_timeout                  | 30       |
| net_write_timeout                 | 60       |
| replica_net_timeout               | 60       |
| rpl_stop_replica_timeout          | 31536000 |
| rpl_stop_slave_timeout            | 31536000 |
| slave_net_timeout                 | 60       |
| ssl_session_cache_timeout         | 300      |
| wait_timeout                      | 210      |
+-----------------------------------+----------+
23 rows in set (0.00 sec)

 

 

wait_timeout

interactive_timeout이 바뀜

 

이제 connection 연결하고 210초동안 아무것도 안하면 timout으로 connection이 죽는다

 

show processlist; 로 연결중인 connection들을 볼수있음.