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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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3 \0 @+ m" Y  X* A& i& z3 B5 }  e' q8 e/etc/my.cnf% H3 l0 c: s4 j, {5 ?
/etc/mysql/my.cnf
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  G- P) x) T) t% ^- r& W my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 18 S3 j. u) U9 m* X0 G4 |. b. l( e
slow_query_log_file = /var/log/mysql-slow.log
7 s! u- s( x) @1 clong_query_time = 2

  ^& c9 h1 G# I" j, [隞乩撟曇交:
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slow_query_log = 1
0 E" s* p4 Q& I2 W蝝瑁Y SQL 隤:
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$ i+ V# |$ \' Oslow_query_log_file = /var/log/mysql-slow.log
- R: t$ ~" h5 O1 T: i& D閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log1 G4 V; G7 v; B

2 c3 r; J2 J! n6 c2 qlong_query_time = 2& w. O6 e6 k8 ]% p- ^  I
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣6 r1 h8 }0 M- ]' {5 Z  {  U

2 ~; p# L) v; x1 G5 @- g靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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