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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8 U& _1 \" ~% p4 s# I7 d

! ^. Z/ v$ N4 I$ U. s& W9 D0 u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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: Q7 m! i6 B# E# Q2 r( K/etc/my.cnf
* ~* ]1 c/ w' @/etc/mysql/my.cnf' b% J% }) n! w  P7 O& D  P
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my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:4 c& ~& {" C6 L6 A" I6 E& {+ @
slow_query_log = 1
! @3 d7 |! Y( N3 X* @+ sslow_query_log_file = /var/log/mysql-slow.log7 O* ?$ }4 C7 ?# o+ \
long_query_time = 2

# E/ u. g5 `/ Z6 o) u! s隞乩撟曇交:
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1 k( I) R$ q2 U+ D0 I) zslow_query_log = 1
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slow_query_log_file = /var/log/mysql-slow.log
/ S; d' ~2 u+ Z; `" Y$ b閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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2 @- K6 T: N3 X  i; |long_query_time = 2
, {0 v. P* @7 I  Z閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣
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7 h9 M/ ]* Y8 u3 [2 ^靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭; M( @# [1 m% \" Q( S
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