I talk with lot of people who are really interested in Percona XtraDB Cluster (PXC) and mostly they are interested in PXC as a high-availability solution. But, what they tend not to think too much about is if moving from async to synchronous replication is right for their application or not. Facts about Galera replication [...]
Percona MySQL University in Montevideo and Buenos Aires
Following our Percona MySQL University event in Raleigh,NC Percona MySQL University comes to South America! We’ll have a Full day FREE MySQL Technical Educational events in Montevideo on February 5th, 2013 and Buenos Aires on February 7th. I’m very excited to bring these events to MySQL Community in Uruguay and Argentina. This is my first [...]
Percona Live MySQL Conference and Expo 2013 – News from the Committee – Tutorial Selection Complete
As Percona Live London is raging in the UK, I thought it fitting to remind everyone about the next big Percona Live: MySQL Conference and Expo 2013 in Santa Clara, Californa on April 22-25, 2013. You can register NOW for this conference, and the Super Saving Registration deadline ends on December 28th, so be sure to [...]
Debugging MySQL SSL problems
This is not necessarily going to be a comprehensive post, but I learned somethings about MySQL SSL today that I thought would be worth sharing. I was setting up a PRM install for a customer and one of the requirements was SSL replication. In this particular case, I had setup PRM first, and then was [...]
Minimizing Downtime from Lengthy AWS Outages
Well, it happened again… Another lengthy EBS outage in the US-East region impacted several sites across the net. While failures like this are rare, they can be quite costly and translate into headaches for the operations team when impact production systems for any length of time. At Percona, we routinely help clients architect and deploy [...]
Automation: A case for synchronous replication
Just yesterday I wrote about math of automatic failover today I’ll share my thoughts about what makes MySQL failover different from many other components and why asynchronous nature of standard replication solution is causing problems with it. Lets first think about properties of simple components we fail over – web servers, application servers etc. We [...]
The Math of Automated Failover
There are number of people recently blogging about MySQL automated failover, based on production incident which GitHub disclosed. Here is my take on it. When we look at systems providing high availability we can identify 2 cases of system breaking down. First is when the system itself has a bug or limitations which does not [...]
Great Talks on Percona Live,NY!, Free Pass opportunity inside
You surely have heard about Percona Live,NY taking place October 1-2 in New York, you however might have been wondering what kind of talks you would see on this event and why would should you attend. The day one of this event is Tutorial day, which is long (half to a full day) presentations which [...]
Announcing Percona Live MySQL London
Looking for a great opportunity to share your MySQL knowledge with the MySQL community? Here is your chance. Percona is happy to announce that the dates of the Percona Live MySQL London Conference have been set for Dec. 3-4, 2012. Call for speakers is underway and will be open until August 17th, 2012. The conference [...]

