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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4 W* ]0 y7 j8 G" q. H% r

! u4 g7 ]3 ~6 M. B5 v% j/ c閬蝝瑁Y SQL 隤, 臭誑靽格 my.cnf 摰, my.cnf 憭詨其誑銝雿蝵:( m# }* A* H7 N
& W6 \3 d- I! U1 @
/etc/my.cnf
; B7 h! Q  ]! l* F/etc/mysql/my.cnf* S- D1 i/ n. i4 `9 i/ I

- W7 g7 U/ W# B4 n7 U! P2 w my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:, l3 N7 k1 r) Z  f+ J
slow_query_log = 18 z. A( R+ u5 o- m, z* g
slow_query_log_file = /var/log/mysql-slow.log
% V; [, ?6 A3 Xlong_query_time = 2
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隞乩撟曇交:' m* f. u  K3 e

5 b. t6 i* m5 v& Qslow_query_log = 1# I+ w( g8 T8 b, y. ?/ B$ W
蝝瑁Y SQL 隤:
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slow_query_log_file = /var/log/mysql-slow.log
2 O0 ?* j. r; O6 O2 R* Z閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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long_query_time = 2
: `/ V9 m$ Z; L( v( X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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