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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9 U/ s3 Y( T$ n9 P9 ?4 n
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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:
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/etc/my.cnf6 H0 }- q5 [2 L: G
/etc/mysql/my.cnf
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$ m' I) r6 [# H) x( L' N my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:$ M  C- f' G# e5 N& u. F
slow_query_log = 18 M: I' h: t; l7 y
slow_query_log_file = /var/log/mysql-slow.log
' h6 {" c( H  d' Hlong_query_time = 2
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隞乩撟曇交:
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slow_query_log = 1; M0 p% I3 V4 M. A2 ~% a7 X
蝝瑁Y SQL 隤:
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slow_query_log_file = /var/log/mysql-slow.log, b# w+ t& M! N. f
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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) b; B( `( c7 I& S/ |long_query_time = 2
! P9 v7 r) h+ V* ]8 m閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣; E5 Z" U  I7 n6 N0 L. K

7 g. h" E& n8 A7 |靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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