Today’s blog post diving into the waters of the MySQL buffer pool is a cross-post from Groupon’s engineering blog, and is Part 1 of 2. Thank you to Kyle Oppenheim at Groupon for contributing to this project and post. We’ll be posting Part 2 on Thursday. I’ll be at the Percona Live MySQL Conference and [...]
Debugging MySQL SSL problems
November 8, 2012 By Leave a Comment
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 [...]
Great Talks on Percona Live,NY!, Free Pass opportunity inside
September 7, 2012 By 1 Comment
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 [...]
Percona replication manager (PRM) documentation available (beta)
June 8, 2012 By 5 Comments
Since the new MySQL Pacemaker resource agent supporting PRM is now included in version 3.9.3 of the official Pacemaker resource agents package and things have stabilized a bit, I have been able to write some documentation. I wrote a first draft of the PRM documentation that is likely far from perfect, but I hope it [...]
Statement based replication with Stored Functions, Triggers and Events
December 16, 2011 By 4 Comments
Statement based replication writes the queries that modify data in the Binary Log to replicate them on the slave or to use it as a PITR recovery. Here we will see what is the behavior of the MySQL when it needs to log “not usual” queries like Events, Functions, Stored Procedures, Local Variables, etc. We’ll [...]
Percona Replication Manager, a solution for MySQL high availability with replication using Pacemaker
November 29, 2011 By 102 Comments
The content of this article is outdated, look here for more up to date information. Over the last year, the frustration of many of us at Percona regarding issues with MMM has grown to a level where we started looking at other ways of achieving higher availability using MySQL replication. One of the weakness of [...]
Community Events February-March
January 22, 2010 By 4 Comments
February and March as busy months for Community events. There’s MySQL University, Fosdem, the Seattle MySQL Meetup & Confoo.ca.
Finding your MySQL High-Availability solution – Replication
November 13, 2009 By 6 Comments
In the last 2 blog posts about High Availability for MySQL we have introduced definitions and provided a list of ( questions that you need to ask yourself before choosing a HA solution. In this new post, we will cover what is the most popular HA solution for MySQL, replication.
State of the art: Galera – synchronous replication for InnoDB
October 27, 2009 By 15 Comments
First time I heard about Galera on Percona Performance Conference 2009, Seppo Jaakola was presenting “Galera: Multi-Master Synchronous MySQL Replication Clusters”. It was impressed as I personally always wanted it for InnoDB, but we had it in plans at the bottom of the list, as this is very hard to implement properly. The idea by [...]
Finding your MySQL High-Availability solution – The questions
October 16, 2009 By 36 Comments
After having reviewed the definition my the previous post (The definitions), the next step is to respond to some questions. Do you need MySQL High-Availability? That question is quite obvious but some times, it is skipped. It can also be formulated “What is the downtime cost of the service?”. In the cost, you need to [...]
