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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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- r$ y- R4 x  |: q閬蝝瑁Y SQL 隤, 臭誑靽格 my.cnf 摰, my.cnf 憭詨其誑銝雿蝵:: `3 s- _7 d/ `7 o
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/etc/my.cnf
4 R9 D( p* L: W; M: E/etc/mysql/my.cnf
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* z9 a! X3 h7 o' ] my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 1
) y, C5 {# j" f' l/ ^$ V, \: Dslow_query_log_file = /var/log/mysql-slow.log
1 c7 t# x1 A2 d; _* N3 h9 h4 U$ Mlong_query_time = 2

( h% D) @' l- `  t% X隞乩撟曇交:
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slow_query_log = 1  h% s8 Y! H3 ]* k6 l# t
蝝瑁Y SQL 隤:
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slow_query_log_file = /var/log/mysql-slow.log
! [3 [, U: e6 j4 R. ^; l閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log$ J, e# M6 j/ G* @8 B* b/ {9 X
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long_query_time = 2
1 ], W" L6 _* l6 ]閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣
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. T) g$ L" N! ?6 B$ L" {: m, K靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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