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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) g# _( m4 ^6 i5 a6 S8 B4 k% e
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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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/etc/my.cnf6 D! d- g/ [0 F) G3 k. |
/etc/mysql/my.cnf
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4 Q) ~; j6 A2 q my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 1
- b. b; I5 X, t* gslow_query_log_file = /var/log/mysql-slow.log1 c% f1 J# q% t( h  j! D5 N2 P
long_query_time = 2
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隞乩撟曇交:
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slow_query_log = 1; A* L6 J, |% {2 k- w" F
蝝瑁Y SQL 隤:
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, _* d( w5 \, z/ ~" \' c$ i( G& C& sslow_query_log_file = /var/log/mysql-slow.log3 G9 M( ^" C. U7 G! Q
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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long_query_time = 2
+ Y. V& A* [1 g閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣, Y$ T. O; h( F
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靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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