https://www.justincarmony.com/tags/dataset/ Recent content in DataSet on Justin Carmony Hugo en-us Sat, 16 Oct 2010 03:01:32 +0000 https://www.justincarmony.com/2010/10/16/large-mysql-conversion-innodb/ Sat, 16 Oct 2010 03:01:32 +0000 https://www.justincarmony.com/2010/10/16/large-mysql-conversion-innodb/ <p><a href="https://www.justincarmony.com/images/wp/2010/10/logo_mysql.png"><img src="https://www.justincarmony.com/images/2010/10/logo_mysql-150x150.png" alt="" title="logo_mysql"></a>Over the last week at <a href="http://www.datingdna.com/">Dating DNA</a>, we&rsquo;ve re-engineered our internal mail system that users use to send messages to each other. It took a few days longer to convert and re-engineer everything, but we finally made the change. With the exception of two small bugs, it all went off without a hitch. But before all the different things I learned doing it fade, I wanted to document them here.</p> <p>First off, converting from one large set of InnoDB tables to a new structure. I&rsquo;ve done <a href="https://www.justincarmony.com/2009/01/12/mysql-40-million-rows-myisam-innodb/">something similar in the past</a>, and I think I&rsquo;ve honed in a little bit more the technique. So here are some thoughts regarding doing this process.</p>