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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# b! a  A5 ?% q* x- o4 f. @! j/ r

: m, U4 r3 }- ~& i7 A+ W閬蝝瑁Y SQL 隤, 臭誑靽格 my.cnf 摰, my.cnf 憭詨其誑銝雿蝵:
7 }" Z4 p7 i! K# H5 T9 i  b% K: G" s
) m- l0 ?4 l7 \  \3 a7 d# x4 ?/etc/my.cnf
8 T6 R7 S2 d# F6 m5 F" b/etc/mysql/my.cnf
. I8 Y/ v# J4 r. a3 s, R
7 E8 }( L  g& T: ?7 j4 t1 e my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:9 o' O: z1 U  H8 k
slow_query_log = 10 W- D7 U8 E. I" T: _3 G
slow_query_log_file = /var/log/mysql-slow.log
  C9 J# W- j( T4 @2 Y- plong_query_time = 2
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隞乩撟曇交:6 M' O1 N3 Z2 \$ J# B. m& D9 V8 M

7 ?% y2 f3 }4 Z2 N) Lslow_query_log = 1
) x4 ~: j2 {4 z& c7 K蝝瑁Y SQL 隤:6 T+ Q+ ^5 H9 h

1 a- S$ s: Z9 B' w7 Z1 xslow_query_log_file = /var/log/mysql-slow.log
( L) R4 s$ m* p) J1 k5 u" S) ?, k閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log+ `2 k6 ]/ u- W( L/ g# b

- a9 l6 j0 k% |- klong_query_time = 2
+ z- y  ]' r/ p閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣2 T  {$ u3 a. D+ B+ Z

" {! k6 n$ F% S' v; Y7 p: M: ~靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭0 g# Q/ T- ^6 A2 R$ S

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