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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& Q( \2 @* O9 r1 e6 w/ U' ]

0 I; ?- [2 m1 n5 L3 p- ^# d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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/etc/my.cnf
3 @; r) A9 j" L. E/etc/mysql/my.cnf
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my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:+ y. E6 V% f; D2 o$ G8 \3 Z# Z; J- ]
slow_query_log = 1
0 q9 z, Z1 e4 vslow_query_log_file = /var/log/mysql-slow.log
: s! U0 L! Q) o" ]1 q8 B+ T4 C4 mlong_query_time = 2

$ j3 S, H: G1 V1 s; C5 R隞乩撟曇交:
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0 K, p, O& l3 Uslow_query_log = 1' a" @4 X) P0 a, U0 o5 P, [
蝝瑁Y SQL 隤:$ Z& v0 a) R3 E) D0 E
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slow_query_log_file = /var/log/mysql-slow.log: U3 d5 J2 q7 s' S; {
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log4 O9 P5 t  p- M

% l$ w) y" I# E0 H  l6 ylong_query_time = 2
) d( {. e/ r2 u6 j# v6 n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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