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Using YUM to install specific MySQL/Percona Server versions

 | January 5, 2015 |  Posted In: Insight for DBAs, MariaDB, MySQL, Percona Server

Sometimes it is desired to use particular software versions in production, and not necessary the latest ones. There may be several reasons for that, where I think the most common is when a new version should spend some time in testing or a staging environment before getting to production. In theory each new version is […]

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More then 1000 columns – get transactional with TokuDB

 | September 25, 2014 |  Posted In: InnoDB, Insight for DBAs, Insight for Developers, MySQL, TokuDB

Recently I encountered a specific situation in which a customer was forced to stay with the MyISAM engine due to a legacy application using tables with over 1000 columns. Unfortunately InnoDB has a limit at this point. I did not expect to hear this argument for MyISAM. It is usually about full text search or […]

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Innotop: A real-time, advanced investigation tool for MySQL

 | October 14, 2013 |  Posted In: Insight for DBAs, MySQL, Percona MySQL Support

GUI monitoring tools for MySQL are not always suitable for all our needs or situations. Most of them are designed to provide historical views into what happens to our database over time rather then real-time insight into current MySQL server status. Excellent free tools for this include Cacti, Zabbix, Ganglia, Nagios, etc. But each of […]

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