mysql Error:The total number of locks exceeds the lock table size

 今天在创建表的时候报错如下：

 

 ERROR 1206 (HY000): The total number of locks exceeds the lock table size

解决办法：  innodb_buffer_pool_size=64M  （默认是8M,这个可以根据数据库大小具体修改。）

               service mysqld  restart       修改后重启即可。

原因如下：

 If you're running an operation on a large number of rows within a table that uses the InnoDB storage engine, you might see this error:

 ERROR 1206 (HY000): The total number of locks exceeds the lock table size

 MySQL is trying to tell you that it doesn't have enough room to store all of the row locks that it would need to execute your query. The only way to fix it for sure is to adjust innodb_buffer_pool_size and restart MySQL. By default, this is set to only 8MB, which is too small for anyone who is using InnoDB to do anything.

 If you need a temporary workaround, reduce the amount of rows you're manipulating in one query. For example, if you need to delete a million rows from a table, try to delete the records in chunks of 50,000 or 100,000 rows. If you're inserting many rows, try to insert portions of the data at a single time.
  原来是InnoDB表执行大批量数据的更新，插入，删除操作时会出现这个问题，需要调整InnoDB全局的innodb_buffer_pool_size的值来解决这个问题，并且重启mysql服务。  查看当前数据库存储引擎，在创建时使用 ENGINE=InnoDB类型。  默认的innodb_buffer_pool_size=8M