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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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, D. R% g( t4 e7 p3 ?# d9 C& \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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/etc/my.cnf6 G3 O6 E' ?6 D
/etc/mysql/my.cnf) e$ w) ?" g. I$ T

, }1 B3 i& Z+ F0 ^+ O, E my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:+ g1 o, ?9 j% h6 M+ t
slow_query_log = 1
+ n! G- m2 o# v7 M7 K9 v  jslow_query_log_file = /var/log/mysql-slow.log/ s6 l) `) A/ t3 H) M) ?  z
long_query_time = 2
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隞乩撟曇交:/ F, k% V' }$ }) \

; C& ?3 \9 R- [7 dslow_query_log = 1+ `0 n* y2 x3 m$ x1 W
蝝瑁Y SQL 隤:& i7 h0 B3 G  v& e9 \, ~
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slow_query_log_file = /var/log/mysql-slow.log- b3 G7 Q2 m$ X( {
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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% g* W9 L+ h, o' dlong_query_time = 2; e: @* L- ]; z4 W) S$ u  A9 k. p
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣: I% t1 x8 F* `6 _- Y! Z9 k0 E
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靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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