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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, l" e7 F% }+ g+ J" i9 K  W2 S# ^+ B# N
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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:0 M) J; M5 h1 F, z

2 y% ~" ?% B3 l1 N+ Z1 P. ~. J/etc/my.cnf
. e: D: N+ y4 J5 h; s/etc/mysql/my.cnf2 i) L; {; V7 ^( b: L4 |" Y. ]

5 \# Z* {* b' O! t my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:# K( P3 N( T! d4 ?' w
slow_query_log = 19 ^5 \: |: z9 s- L4 D. K" y
slow_query_log_file = /var/log/mysql-slow.log/ f+ f2 y9 h" F2 Q9 y  @7 y4 J$ m
long_query_time = 2
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隞乩撟曇交:& z- H+ @" E+ L5 E5 w5 Y, k

. |2 |; j' g+ U- `6 ]3 |slow_query_log = 1+ J0 H! N  P* s# V$ k+ N
蝝瑁Y SQL 隤:
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slow_query_log_file = /var/log/mysql-slow.log3 L" F" w) ^1 t( [3 |6 k  o! X
閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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long_query_time = 2$ n9 U6 M9 n8 O$ d# \
閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣
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; T/ m0 a/ n0 S# m/ Q- t5 C+ u' z* F靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭
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