So I recently had a TBs database that that I had to upgrade from MySQL 5.0 to MySQL 5.5.
This blog post will touch on the following:

• sql_mode 
• innodb_strict_mode 
• SLAVE IO_THREAD 

During the mysql_upgrade process (which does a mysqlcheck) I quickly noticed the following error:

ERROR 1118 (42000) at line 23: Row size too large (> 8126). Changing some columns to TEXT or BLOB or using ROW_FORMAT=DYNAMIC or ROW_FORMAT=COMPRESSED may help. In current row format, BLOB prefix of 768 bytes is stored inline.
So I started I had to check a few things first.

# The master DB was > select @@sql_mode; 
+------------+ 
| @@sql_mode | 
+------------+ 
| | 
+------------+ New DB was
…

In my last post, I discussed how to troubleshoot InnoDB locks using the new InnoDB Plugin’s new Information Schema tables.

However, that got me to thinking about how many MySQL 5.1 users who have still not switched to use the plugin as opposed to the built-in version of InnoDB.

There are many advantages to using the plugin as opposed to the built-in version (aside from just the new I_S tables, and more importantly, numerous performance enhancements), and it’s breeze to set up, so I wanted to provide a quick start guide to using the new InnoDB plugin.

Note that the …