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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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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
+ j9 \" [5 q# }1 v( V/etc/mysql/my.cnf3 w9 F" o5 h4 U8 ~  L

! Z% X( h  g% G2 ~+ J my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 17 G8 _9 s8 d) v5 `! n
slow_query_log_file = /var/log/mysql-slow.log3 x/ }( S+ [& _' U0 T$ m
long_query_time = 2

7 D! U1 B$ r2 ]% }( `0 _+ P隞乩撟曇交:
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) F* i9 Z( L* I  c) zslow_query_log = 1  g# T. {5 a; ]% Y
蝝瑁Y SQL 隤:
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slow_query_log_file = /var/log/mysql-slow.log
0 n0 t; }7 t8 i7 n* p" Y- v/ W4 [閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log7 t, A6 u' |& @3 R" z5 a& i
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long_query_time = 20 U6 m: l/ g; b# [! v7 B
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣2 T- I+ t; x+ i/ y! M- l8 |  G

6 A$ W( i& T' l1 t靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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