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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! A# i- S0 I5 c) _( K2 {! w& }

% B9 }# Z7 l) s4 {/ ~閬蝝瑁Y SQL 隤, 臭誑靽格 my.cnf 摰, my.cnf 憭詨其誑銝雿蝵:
- n$ \( ~' B6 H' ]% X- z5 G* ~# e: \
; j) u. ?7 V' [6 I6 L  R- }* u# N/etc/my.cnf# k$ p, U+ {) p; ?& l: g
/etc/mysql/my.cnf- q" N# E3 z* E

6 e2 i( {6 @" U$ p; B my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:# D- I0 ]7 M3 T7 r% Y+ G- o! o# h
slow_query_log = 1/ t8 L* \# H  }+ K5 @1 l" s# D
slow_query_log_file = /var/log/mysql-slow.log2 I, g/ O# F" M. |' Z% Z
long_query_time = 2

0 m  Y3 s4 x+ W3 d隞乩撟曇交:; ^" K2 x5 r# S  ^' [

& r6 B* ]( B& {0 A7 `slow_query_log = 10 J& j4 V/ x9 u6 m7 I, o) y
蝝瑁Y SQL 隤:
2 I* |. z! e; Z! j/ l/ B- Y$ h7 v/ F
slow_query_log_file = /var/log/mysql-slow.log8 J' S9 G( `- v
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
+ @4 b, x7 R1 P) A( D9 q, S7 Y" m: g1 ^9 ~
long_query_time = 2& l7 [& X& ?# {) j1 E
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣
+ W/ D7 V' K" f# u6 P
' _- F1 A/ M9 V1 F, R) |靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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