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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
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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:
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6 n2 z' d/ a5 i8 W7 t/etc/my.cnf
" u$ `( I* H; M& `9 Q" ~/etc/mysql/my.cnf) V, Z; T7 O- z4 T
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my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:* L* `! P6 Z0 u6 l+ H! o" B4 p
slow_query_log = 1, J3 m1 E5 @! d. f/ Y) X2 k
slow_query_log_file = /var/log/mysql-slow.log
) s- {' c+ K9 o) J2 F( Flong_query_time = 2
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隞乩撟曇交:
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slow_query_log = 1
' B9 E# Q9 m9 Y& A蝝瑁Y SQL 隤:
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slow_query_log_file = /var/log/mysql-slow.log
9 y' e/ E- w3 m  M, i8 b" M閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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long_query_time = 25 E5 {! O5 {. _4 Q
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣: S+ G( t+ V% L6 @
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靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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