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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/ M5 F+ B, i; C6 |
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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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/etc/my.cnf8 w. \. L! M& U3 k
/etc/mysql/my.cnf3 k, S, L0 P3 X  V  I. W# }& ?

# \9 K5 s: _/ S  u. e0 R! i- {% O my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:" f  g# J" t5 z6 k% u8 \
slow_query_log = 10 B4 K+ ?5 c# ]" A) O$ E  \) ^
slow_query_log_file = /var/log/mysql-slow.log
, t4 d: m3 P# w  n2 w: ]' t" _long_query_time = 2

  D4 u/ o% A6 H" I隞乩撟曇交:# s# C  S# u- Z, F+ C; f
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slow_query_log = 1
- f* _- U: N  f3 v( U9 i蝝瑁Y SQL 隤:
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2 @$ s, I0 L. t/ f% x! O8 U5 o6 ^slow_query_log_file = /var/log/mysql-slow.log
( t% d; a( f, O) |1 }閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log- W; d/ X5 v, \/ O; X5 K+ y2 N

+ q: ^; G4 V% k9 blong_query_time = 2
# ^& S4 G* T) G+ I/ S閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣
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靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭# T% L- d5 p; H8 c
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