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[mysql] MySQL slow query log, 脣瑁Y SQL 隤

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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.cnf5 L' }) I7 L" g3 e$ v3 W6 t
/etc/mysql/my.cnf
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; s+ m$ l; Y/ S# [5 D$ I my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 1
. B" M+ J) \: F/ J! i; ]slow_query_log_file = /var/log/mysql-slow.log1 E# r% s2 D2 j2 F
long_query_time = 2

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slow_query_log = 18 M3 {5 |! a% N+ m/ t
蝝瑁Y SQL 隤:2 N" ]# I+ K# \' s) k( I3 y$ n
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slow_query_log_file = /var/log/mysql-slow.log- k. \. Y* ~1 c3 {2 ~' I' ?
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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long_query_time = 2: c( h0 m+ \2 g! h) ^
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣
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" e: N/ w* y% N8 J* n# L8 e2 b8 G7 O靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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