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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; W3 p* J' a7 _9 K( B8 u* X
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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:6 {9 }. `4 _( {7 }. y" h$ R

' m- g' g9 C$ U5 g' R/etc/my.cnf2 M* C$ s' L2 C% h
/etc/mysql/my.cnf# @- E5 z+ D+ T7 ]0 l# f

7 s- \2 O1 A  i- q my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:2 ^! `8 q3 y7 G$ w
slow_query_log = 1
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long_query_time = 2
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隞乩撟曇交:- ?, B4 M( H) S2 Q' k0 \
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slow_query_log = 1
1 D% Q0 D+ y# j% j蝝瑁Y SQL 隤:
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slow_query_log_file = /var/log/mysql-slow.log, [; Y- s( T" `
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log0 C' t1 ]) V  r: l% j+ V  [$ e
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long_query_time = 25 Q8 d6 [$ D" K! {- V
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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