MySQL5.5.5M3 released to improve InnoDB storage engine _ MySQL

This version of MySQL continues to improve the InnoDB storage engine, mainly including: InnoDB storage engine upgrade to 1.1.1, which is also the latest development version of InnoDB used hash tables to store redo logs during restoration, in a 64-bit system, the size of the hash table is bufferpool InnoDB

This version of MySQL continues to improve the InnoDB storage engine, mainly including:

The InnoDB storage engine is upgraded to version 1.1.1, which is also the latest development version.

InnoDB uses a hash table to store redo logs during restoration. in 64-bit systems, the hash table size is 1/8 of the buffer pool size. to reduce memory usage, the size of the buffer pool for the hash table is adjusted to 1/64. if it is a 32-bit system, it is 1/128.

In the slow query log, the Rows_examined values of the UPDATE and DELETE statements are no longer displayed as 0

Remove the mysql_fix_privilege_tables script

Add the new variable skip_name_resolve to disable machine name resolution for client connections.

Added the SHA2 () function.

All numeric-based functions will now throw a value out-of-bounds error.

Other bugs have been fixed.

For more information, see Change History: http://dev.mysql.com/doc/refman/5.5/en/news-5-5-5.html

Download MySQL 5.5.5 M3 development: http://dev.mysql.com/doc/refman/5.5/en/news-5-5-5.html