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

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頝唾唳摰璅撅
#
潸” 2019-1-6 16:41:37 | 芰閰脖 撣 |甇摨閬 |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! K5 v. k9 A9 |3 V+ T
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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. G9 X) b; n8 h& K" J
/etc/mysql/my.cnf7 z# X3 a& o0 p$ M% P1 ?

1 E4 P3 u; v0 s+ z my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:; H: o# A: B- P( C: C( ~! H
slow_query_log = 11 d3 P6 M: @! A2 |" E- _
slow_query_log_file = /var/log/mysql-slow.log2 L/ y5 d( \9 Q- P& D
long_query_time = 2
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隞乩撟曇交:$ I+ T% Z/ ]! B; S! t

9 F( l( j' i: [5 b/ nslow_query_log = 1
8 ]4 Q9 U1 Y- c& q, a, e蝝瑁Y SQL 隤:9 ]+ I# ]1 G2 M
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slow_query_log_file = /var/log/mysql-slow.log8 U! e( M7 k) _
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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long_query_time = 2' M4 L5 p% C0 O/ d' x7 ?
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣5 W' h5 P* f  k: q
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靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭7 Q8 X6 o' r6 V" J( S0 |/ A
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