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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:1 i, F5 P+ I% j  ^% J; I- `

0 G4 W+ w# N1 Y! ^& k" U7 [3 G/etc/my.cnf# A8 D8 r, Z  }, {0 O6 O# {
/etc/mysql/my.cnf  _' c+ a, p) l5 `' D' X
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my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:* E" ^& P6 l2 t- s6 y
slow_query_log = 1* A* E1 E& ]/ y/ I
slow_query_log_file = /var/log/mysql-slow.log
. S7 F% ~* e; E- p. T' i  I: llong_query_time = 2
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隞乩撟曇交:
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slow_query_log = 1
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! K& P6 P( z4 rslow_query_log_file = /var/log/mysql-slow.log
$ b' K  r0 h/ Y8 m- L閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log) c% W7 Y: O9 Q9 T; `0 X" ?

8 |3 Q4 i8 R  ]* M4 ]- f1 `8 Ulong_query_time = 24 m/ x3 n* d, |9 e
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣9 U- l2 x8 w9 h
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靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭4 o/ s6 L. C+ }1 M- T
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