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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
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$ C8 ^8 B8 i. \9 ~* u$ r6 _5 q5 ~7 l4 u閬蝝瑁Y SQL 隤, 臭誑靽格 my.cnf 摰, my.cnf 憭詨其誑銝雿蝵:' F4 k& \# D+ @1 {/ V
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/etc/my.cnf! ?1 ]$ P* i: L4 L
/etc/mysql/my.cnf2 v) b; G0 {* Y7 I$ Z

( K  p' P3 e& R- k my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:2 U5 K$ a2 U! q
slow_query_log = 1
* U; `9 J4 ?, c1 |$ K. P- Hslow_query_log_file = /var/log/mysql-slow.log( C3 o7 q( @/ w$ ]9 i4 Z! J
long_query_time = 2

7 Q( S$ s( h/ L- f5 P, Z9 |8 p5 P隞乩撟曇交:+ B4 G; K4 A; `

% h/ h# @7 ~- m+ x2 tslow_query_log = 1' @, ?# Z0 j5 G9 n. U7 V* b
蝝瑁Y SQL 隤:
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, b- V  U( L6 {1 C4 I  u# qslow_query_log_file = /var/log/mysql-slow.log
7 m# S- ~2 m& u/ e5 r, a閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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3 @! V  E) b2 m' l) I# Olong_query_time = 2
5 _; K6 X2 A3 R/ |閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣  n5 `8 n6 e- W# F
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靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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