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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
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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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! v% ?( m$ F# t5 s! N/etc/my.cnf( @0 ~7 l& V7 N3 D& u6 w0 o4 t
/etc/mysql/my.cnf
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  B; h2 D/ P# p4 t/ i" R/ Z: I my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 12 C4 U* G) T8 B+ U, _  H% \- l
slow_query_log_file = /var/log/mysql-slow.log
; @4 s& s: j& h5 L& ^/ glong_query_time = 2
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隞乩撟曇交:
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slow_query_log = 1- N7 E. F0 |( W$ V
蝝瑁Y SQL 隤:: b) R- @2 p: J* y6 w. ?+ d% U8 S
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slow_query_log_file = /var/log/mysql-slow.log/ n5 x8 b, I$ V& b/ s2 H1 o& t4 F; y
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log4 c4 k! l# h6 f( X: J# q
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long_query_time = 2
/ V% j' W1 g" M4 d( @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5 W* d1 Y2 m& r& N. Y

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