memory引擎和innodb引擎速度对比

ysql> insert into innodb_test (name) select name from  innodb_test;
Query OK, 1048576 rows affected (1 min 9.47 sec)
Records: 1048576  Duplicates: 0  Warnings: 0

mysql> insert into memory_test (name) select name from  memory_test;
Query OK, 1048576 rows affected (6.45 sec)
Records: 1048576  Duplicates: 0  Warnings: 0

 

10倍的速度差距