批量导入数据到InnoDB表速度优化

一、使用Load data；

二、

SET autocommit=0;

COMMIT;... SQL import statements ...

三、

SET unique_checks=0;

SET unique_checks=1;... SQL import statements ...

四、

SET foreign_key_checks=0;

SET foreign_key_checks=1;... SQL import statements ...

五、

INSERT INTO yourtable VALUES (1,2), (5,5), ...;

六、

 set innodb_autoinc_lock_mode to 2 instead of the default value 1

 

time mysql -e "set foreign_key_checks=0; set sql_log_bin=0; set unique_checks=0; load data local infile 'infile.txt' into table load_test fields terminated by '\t' lines terminated by '\n' (col1, col2);"

脚原本源： https://www.percona.com/blog/2008/07/03/how-to-load-large-files-safely-into-innodb-with-load-data-infile/