MySQL檢視執行時間
阿新 • • 發佈:2019-01-31
1、檢視MySQL執行多長時間
mysql> SHOW GLOBAL STATUS LIKE 'UPTIME';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| Uptime | 12823 |
+---------------+-------+
1 row in set (0.00 sec)
2、檢視MySQL連線超時
mysql> SHOW GLOBAL VARIABLES LIKE '%TIMEOUT'; +-----------------------------+----------+ | Variable_name | Value | +-----------------------------+----------+ | connect_timeout | 10 | | delayed_insert_timeout | 300 | | innodb_flush_log_at_timeout | 1 | | innodb_lock_wait_timeout | 50 | | innodb_rollback_on_timeout | OFF | | interactive_timeout | 28800 | | lock_wait_timeout | 31536000 | | net_read_timeout | 30 | | net_write_timeout | 60 | | rpl_stop_slave_timeout | 31536000 | | slave_net_timeout | 3600 | | wait_timeout | 28800 | +-----------------------------+----------+ 12 rows in set (0.00 sec)
3、檢視mysql請求連結程序被主動殺死
mysql> SHOW GLOBAL STATUS LIKE 'COM_KILL';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| Com_kill | 0 |
+---------------+-------+
1 row in set (0.00 sec)
4、檢視MySQL通訊資訊包最大值
mysql> SHOW GLOBAL VARIABLES LIKE 'MAX_ALLOWED_PACKET'; +--------------------+---------+ | Variable_name | Value | +--------------------+---------+ | max_allowed_packet | 4194304 | +--------------------+---------+ 1 row in set (0.00 sec)