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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) K' M: v: H6 K: [
/etc/mysql/my.cnf. l5 V7 ]0 z* K$ _8 E

: B0 K* ^4 t9 i. u/ t my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 16 x8 N8 F0 T, ]
slow_query_log_file = /var/log/mysql-slow.log
# E% ^) k( g* @; D3 \2 W' V3 l5 wlong_query_time = 2
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隞乩撟曇交:
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slow_query_log = 1& }4 [/ I6 |3 l  {* F, ^
蝝瑁Y SQL 隤:
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slow_query_log_file = /var/log/mysql-slow.log
2 h# }6 n3 h" S: n& h閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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8 v) u: i$ l  Slong_query_time = 2$ D9 k( e" a8 S! z" D: M' ?; z; j- x
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣
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% E0 F) r! z. [! S, Q+ D: j靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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