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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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* G6 ]8 |+ @* B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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( Z; z6 G! O& a/etc/my.cnf# H  a' @) }  e! p6 c# ?0 J" b
/etc/mysql/my.cnf
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' V! d) U. N0 |7 L3 y5 I my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:" l/ {6 Z% g9 Y' G
slow_query_log = 1
6 Z/ P% O" p/ @( V, {slow_query_log_file = /var/log/mysql-slow.log
- L5 |" D8 d0 N6 K# E+ i* hlong_query_time = 2
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隞乩撟曇交:& c: U; X5 p, N4 U7 Q# z; J, T' S) l
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slow_query_log = 13 C9 z" `' [. W
蝝瑁Y SQL 隤:
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slow_query_log_file = /var/log/mysql-slow.log4 }# c2 r5 b* x2 @8 }% K3 O* k
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log5 x! R( {3 ?* E/ Z8 y* K" r
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long_query_time = 2
0 |9 A7 y8 G: j) H1 J! h閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣: _# m5 a% x4 G. s: G. ~' o
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靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭" C9 F/ N3 s' I- S5 x6 L3 o
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