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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3 o6 N: \- s; E- W8 H0 ?5 I2 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:
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  A1 J* e; i4 Y' p/ y9 h. R  v/etc/my.cnf
6 F, i* c7 _/ J1 Z/etc/mysql/my.cnf
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my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 1; m% y  ]7 x* \8 V) P7 r8 N
slow_query_log_file = /var/log/mysql-slow.log
: y* ]3 j3 Z6 U& l  U0 F* e+ D- xlong_query_time = 2

$ J$ b$ W: p; s7 v8 }2 g3 f/ s& i隞乩撟曇交:
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! I3 L* r& H; l7 W# d; Kslow_query_log = 1, W( a  `+ A# X' {9 o# m
蝝瑁Y SQL 隤:  w+ x' }+ r  R
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slow_query_log_file = /var/log/mysql-slow.log
, r( b. g$ D3 @/ Z: v" O9 t閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log2 H7 W" _* m: r
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long_query_time = 2" x) [' i# W# c- ?
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0 m; b$ `! Z5 Q, x  V6 n0 J
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