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[mysql] MySQL slow query log, 脣瑁Y SQL 隤

[銴鋆賡包
頝唾唳摰璅撅
璅銝
潸” 2019-1-6 16:41:37 | 芰閰脖 撣 |摨閬 |梯璅∪
潸死蝔撘瑁敺, 嗡葉銝閬瑼X亦唳寞航摨怒MySQL 臭誑撠瑁 SQL 隤亙券函銝靘, 臭誑芣臬瑁Y SQL 隤亦銝靘, 璅撠 MySQL 隤亦 Debug 撠梯擛敺憭鈭, B, M! t. h  m' Z
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閬蝝瑁Y SQL 隤, 臭誑靽格 my.cnf 摰, my.cnf 憭詨其誑銝雿蝵:7 I& i( |4 `- V3 Y( x4 b! `" c
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/etc/my.cnf6 A2 u) A9 T+ H. H. Y2 q
/etc/mysql/my.cnf1 L( B2 g! ~/ M/ F2 a

' n# O) Y3 b3 P- @ my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 18 e8 m0 |; z1 B: _4 G; y- f0 z
slow_query_log_file = /var/log/mysql-slow.log
) J6 F; a; z& D. Z  j- ulong_query_time = 2
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隞乩撟曇交:
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slow_query_log = 1
9 e( {. @, W3 D& @! R7 ~3 F1 m蝝瑁Y SQL 隤:
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slow_query_log_file = /var/log/mysql-slow.log' [4 y+ M( Y' C. b/ `2 Q
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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% E* \8 O7 p4 m2 }/ w, w6 }, Tlong_query_time = 2
: L9 B2 Q" y6 ^# ?閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣
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靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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