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Is DRBD the right choice for me?

 | July 7, 2009 |  Posted In: Insight for DBAs

It seems pretty common to find customers install DRBD for the wrong reasons. There are many pros/cons to compare DRBD to replication, but I’ve managed to cut down my spiel I give to customers to these two points: DRBD’s aim (assuming replication mode C) is to provide 100% consistency, and then as much uptime as […]

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Percona at PHP Quebec 09

 | March 10, 2009 |  Posted In: Events and Announcements

Percona presented two talks at PHP Quebec last week – one on A Tour of MySQL High Availability, and another on Performance Tuning MySQL. There was a great reaction to showcasing some of the quick-wins that can be found by using the Percona patches. Unfortunately, the one thing that I forgot to mention in the […]

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Faster MySQL failover with SELECT mirroring

 | February 1, 2009 |  Posted In: Insight for DBAs

One of my favorite MySQL configurations for high availability is master-master replication, which is just like normal master-slave replication except that you can fail over in both directions. Aside from MySQL Cluster, which is more special-purpose, this is probably the best general-purpose way to get fast failover and a bunch of other benefits (non-blocking ALTER […]

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