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

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頝唾唳摰璅撅
#
潸” 2019-1-6 16:41:37 | 芰閰脖 撣 |甇摨閬 |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; |" t! x. U) X( `* q6 ]# C# l

! [. }& R0 p' c6 t" N, L3 V2 t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.cnf
- u9 d3 e' m  P: _$ F! w/etc/mysql/my.cnf/ X5 V( t3 a- ^
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my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 1
; S+ f/ ]4 k( O$ Z7 s: Kslow_query_log_file = /var/log/mysql-slow.log
9 r0 Z3 U0 t( M# F  G5 f, tlong_query_time = 2

7 V. ^5 U. i1 R/ t: G! L. n隞乩撟曇交:- w0 v8 d* L- A" T

, N" t( {% F  L# Hslow_query_log = 1' y+ I% Y: q' I
蝝瑁Y SQL 隤:
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0 e4 d3 Y. ]6 E5 s' Uslow_query_log_file = /var/log/mysql-slow.log/ g4 s; T; v5 Y
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log7 u4 C+ w6 u6 T; N
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long_query_time = 2
7 ^* x- t6 Y1 k+ w% f閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣% ]. N2 o- f4 C/ g( r  h
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靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭6 N* x2 g$ y4 ^7 ~

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