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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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) @1 A( h% `6 s& _: t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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+ R  G5 \( @7 f1 U/etc/my.cnf
8 Q% |1 f  w$ ^( T: O! O& W/etc/mysql/my.cnf
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my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:% a, s5 m' U8 \0 Y: |8 D( N
slow_query_log = 1
$ h! |8 U5 T+ n/ X/ S. aslow_query_log_file = /var/log/mysql-slow.log- ~5 b. M* {3 j7 ]! e
long_query_time = 2
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隞乩撟曇交:; [3 D0 L7 I" Y& \% J' q3 c0 p
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slow_query_log = 1
7 K+ _. m" c9 z3 F蝝瑁Y SQL 隤:
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3 A% ]5 Z0 x" ~, |slow_query_log_file = /var/log/mysql-slow.log! Z8 V& q! w4 [: I3 C6 ~$ O0 J
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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: v  b0 m+ h" T- ^0 X+ Rlong_query_time = 24 x' v  g9 _7 k7 j2 C+ J
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣
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! V$ U: d1 L9 h6 E! y9 {# f% T靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭4 i1 S+ t! P- R+ j

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