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mysql开启慢查询

2019-4-3 Stone mysql

my.cnf里开启慢查询日志

#log bin 
log_bin = /opt/lampp/var/mysql/binlog


#sloq query log 
slow_query_log = ON
slow_query_log_file ="/opt/lampp/logs/mysql-slow.log"
long_query_time = 3
log_queries_not_using_indexes = ON
 
 
## 查看查询时间并设置
show variables like 'long_query_time';
set global long_query_time=3;
 
 
##设置慢查询日志文件
set global slow_query_log_file =  '/opt/lampp/logs/mysql-slow.log';
 
 
##开启未使用索引sql
set global log_queries_not_using_indexes=on;
 
 
##开启慢查询日志
set global slow_query_log=on;

标签: mysql开启慢查询