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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' ~3 V7 ?$ ^( L* X

8 s! D) e: H; p6 G閬蝝瑁Y SQL 隤, 臭誑靽格 my.cnf 摰, my.cnf 憭詨其誑銝雿蝵:9 |; |- u; M$ e8 ^/ t  @
8 J& M  [3 {" {" {; f( W' S
/etc/my.cnf
1 w3 H3 M+ o' E' S( u5 C/etc/mysql/my.cnf. J/ T4 ~! S9 f& Q2 q5 ~  h3 b
1 l/ h2 {6 B' c4 ~* ~  ^
my.cnf, [mysqld] 畾菔賢乩誑銝撟曇:
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slow_query_log = 14 d; l0 v* n  K- O, `7 d
slow_query_log_file = /var/log/mysql-slow.log- F  @* X9 L& f- t5 C1 E
long_query_time = 2

/ _8 J/ f# o' `隞乩撟曇交:8 l+ D8 s! I1 J. n) t8 ^# e3 {

& Y$ m1 Q+ N3 d1 Z: _slow_query_log = 1( |) k: F6 l- Z/ ~" S
蝝瑁Y SQL 隤:
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- q" ]% r8 ~& D( L& m$ S: W: s  Kslow_query_log_file = /var/log/mysql-slow.log
" H; n& ]4 r/ w. r& [! G閮剖蝝瑼雿蝵桀 /var/log/mysql-slow.log
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5 V( ?7 u5 k2 r! F# `, Ulong_query_time = 2
, }3 F9 {; w1 Z8 D1 X# N閮剖 SQL 隤亙瑁頞 2 蝘, 靘踵撠 SQL 隤亙脣+ E7 Q, y6 o7 T6 C8 _
% X6 [/ ~4 `# e% \9 v7 G% r. j$ z
靽格孵末 my.cnf 敺, 啣 MySQL 靘踹鈭: H% N2 B: ^) [$ l+ e, l/ e1 e
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