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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6 f9 v, `- K7 {/ p6 [

9 r5 |- N$ G) P3 \7 l) F% S閬蝝瑁Y SQL 隤, 臭誑靽格 my.cnf 摰, my.cnf 憭詨其誑銝雿蝵:& Y0 z" W0 {5 w+ C8 h2 w
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/etc/my.cnf
: F9 u4 F% }/ u* E" V* u/etc/mysql/my.cnf2 q0 F; F8 s0 l( L+ P
* `0 ~0 ~; x# _
my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:# v7 d/ I1 U$ Y, d. l  f& i6 l
slow_query_log = 16 z3 ?, E% w& ^3 c( }1 I- v
slow_query_log_file = /var/log/mysql-slow.log/ c& G2 l/ w; O: p  H: ~& B
long_query_time = 2
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隞乩撟曇交:
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slow_query_log = 1
( Y- \' E# i9 g8 m8 b( P! w蝝瑁Y SQL 隤:
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2 J! b/ ]3 l2 g$ v/ \* f4 k/ F; Lslow_query_log_file = /var/log/mysql-slow.log
5 a2 U. P4 j) E% E閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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& I0 H, P* k+ f$ T$ ]4 M& \7 i2 h7 Klong_query_time = 23 w( N7 N5 d( c% Y
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣
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靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭. V: f, q! [! o0 x  g/ S
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