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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6 Z1 n5 t; e+ s0 N5 d0 x9 g

' ^' t% F1 c' G( W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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/ C+ n4 }/ Y& P5 U# S! s: j/etc/my.cnf
. T2 K" V) k) K. N& p+ b/etc/mysql/my.cnf  D  M, O1 }( {& C1 S$ P8 I
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my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 1
- _6 f* Z6 _' D( Vslow_query_log_file = /var/log/mysql-slow.log
, n  Z4 H2 o% |8 M, X" \( blong_query_time = 2
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隞乩撟曇交:! {, c' M2 q. c: Q( Z5 K

+ q4 ?9 R+ w/ z3 Islow_query_log = 1
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slow_query_log_file = /var/log/mysql-slow.log
) X9 c0 ?7 \& }4 h: P閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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long_query_time = 2( c" e1 s$ H: ?$ \8 E+ ^
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣
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. s. |6 h: f! R/ B靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭5 l1 `* s& \, ^! j' Z" K' ^, ?" @

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