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

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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7 g+ u6 m* R1 k3 L8 B; F6 d. m
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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:* V9 d) W6 y6 z6 K3 P
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/etc/my.cnf8 R: {3 g  |3 C5 f/ x/ I
/etc/mysql/my.cnf
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my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:; s( x/ i4 ]  i
slow_query_log = 1
  _* G* e5 A6 w. z" gslow_query_log_file = /var/log/mysql-slow.log
. Z/ F: X5 }& u: Y6 ]* |long_query_time = 2

' v9 j& r; l$ x隞乩撟曇交:
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0 b% y  ]8 Z" y* W* o8 O3 T8 E6 Jslow_query_log = 1- j) v$ q) P+ y( k# B5 ^" g* g% P$ ?
蝝瑁Y SQL 隤:
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1 ?' w: _1 R- e$ e& ^slow_query_log_file = /var/log/mysql-slow.log
& B8 T8 m2 G7 z6 ]( q- ?: m閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log6 s& \) d- f" [6 m7 e' r
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long_query_time = 2. V4 e1 m& |( g5 B
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣1 L6 P; Y4 j8 K$ ~" A7 i9 X
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靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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