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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:4 H. K0 G$ o* L9 h4 g" W

- F8 h* Z' {& g' C" m! B( u! a/etc/my.cnf
$ m3 W% A; m  i* ^5 b/etc/mysql/my.cnf
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3 k- S; V! Q$ J. ?' c* z$ m my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:; D& r3 y2 K+ o1 N( v( X$ d
slow_query_log = 15 u; R4 o6 M+ q* Y9 h4 m# _# t+ I
slow_query_log_file = /var/log/mysql-slow.log5 J/ T! C; g6 R8 g6 H* l& I
long_query_time = 2

; _' J: p4 h' a4 [) b9 V. |隞乩撟曇交:
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3 z3 o- C) W8 g8 x0 n6 Y4 S" z/ Aslow_query_log = 1
! {0 t1 {$ r" j1 T6 ~* \, x/ f蝝瑁Y SQL 隤:0 p6 v# O$ x0 K' J
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slow_query_log_file = /var/log/mysql-slow.log: _6 ?# U9 \2 `3 L" f$ C
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log; r5 I. k! ^( ^
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long_query_time = 2
' q  l+ c5 I3 W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
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