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摘要： 当前的连接数:mysql> show status like '%Threads_connected%';+-------------------+-------+| Variable_name | Value |+-------------------+-------+| Threads_connected | 27 | +-------------------+-------+1 row in set (0.00 sec)最大连接数：show variables like '%max_connections%';set GLOBAL max_conne 阅读全文