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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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3 n  y% D4 T1 B3 [# d閬蝝瑁Y SQL 隤, 臭誑靽格 my.cnf 摰, my.cnf 憭詨其誑銝雿蝵:; A7 ^9 M3 l0 Q: i3 R

6 [# R" G3 @4 }: d4 V* p/etc/my.cnf
, d/ K9 M3 K2 ^' Z1 k& q: J( h, S/etc/mysql/my.cnf# K5 \# V$ ~( g" H, e" f
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my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 1
% U% ?. \3 {' z  V- A* Islow_query_log_file = /var/log/mysql-slow.log
2 K. y4 }4 ~8 Z. A' ~long_query_time = 2

( }( ~4 c) Y& q6 f隞乩撟曇交:4 R6 S6 k5 m9 L
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slow_query_log = 1
. \8 p. D% ^1 K% m( d, Y6 Y1 o7 C蝝瑁Y SQL 隤:
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slow_query_log_file = /var/log/mysql-slow.log
& K( [4 h, }+ y7 i6 R5 i閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log- {; \: k, E1 j0 N

( [6 Q6 c6 X- U& k2 Llong_query_time = 29 T* T( v" a# T* ^0 M5 q
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣% E  C4 w1 J3 d5 M# E) {

9 w4 j' A+ B" h8 u1 P4 ?! J靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭- p& U0 b; u- P* |9 r
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