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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:6 B- ^1 n( s+ o. e1 y

4 ~4 D* E4 B& [/ x/ D) g/etc/my.cnf
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; |1 j$ [$ R* \ my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:5 W' t5 H  [) X- h
slow_query_log = 1
: {1 f4 T5 w+ l* Q% xslow_query_log_file = /var/log/mysql-slow.log( Z/ j) F# p& Z2 X3 E. x  \8 C% F
long_query_time = 2
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slow_query_log = 1
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slow_query_log_file = /var/log/mysql-slow.log- u( v3 k2 h) x) J
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log, r. ?+ F' U% [) F6 f

$ E/ Q  z2 i% S1 @long_query_time = 2% }* N5 U/ v; E- _  n
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣
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% `8 W6 w9 f0 Y% w靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭% R3 A  F/ P# A7 O5 F5 R# X
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