Understanding the Galera commit sequence and innodb_doublewrite_buffer back to 1
People often assume the reason I talk at conferences is because I like to teach them about Galera, MySQL and other cool, open source things. That's of course true to some extent. But for me personally,...
View ArticleMySQL and PostgreSQL faces at Froscon
My three previous blog posts I already wrote from Froscon. In this post I still want to go back and mention some people I met and discussions I had. The MySQL side There were of course many MySQL...
View ArticleHand holding PostgreSQL on a simple query
With MySQL it was for a long time the case that a lot of sub queries would actually perform poorly, because of poor execution plans. (This is no longer the case in MariaDB 5.5 or the upcoming MySQL...
View ArticleOpenLife.cc spam controls tightened
Last week both Sheeri and Mark Callaghan pointed my attention to the fact that if they comment on articles on this blog, they end up getting lot of email spam that is sent via OpenLife.cc. Thank you...
View ArticleFailover is evil
In the Matrix movie there is a scene where the heroes visit a spiritual councelor, and amongst the people in her waiting room they see a little boy, dressed like a buddhist monk, who can bend a spoon...
View ArticleSimon Phipps explains the truth behind the missing test cases
Simon Phipps, who's Computer World UK blog isn't aggregated on Planet MySQL, has a blog post which reveals the truth behind the missing MySQL test cases that many of us commented on some time ago...
View ArticleSlides for Evaluating MySQL HA Alternatives
Attached are the slides for my MySQL Connect talk Evaluating MySQL High-availability alternatives, which I will present today at 14:30 at the MySQL Connect conference. A bit unusually I'm posting the...
View ArticleMySQL Conference & Expo Call for Papers - tips on submitting a great proposal
It's the time of the year again: You have 2 more weeks to submit a great proposal to the biggest and baddest MySQL Conference: Percona Live MySQL Conference and Expo 2013 (Santa Clara). Like many...
View ArticlePercona Live UK, Santa Clara 2013, Fosdem and other conferences
The Winter season for conferences is catching up speed.DOAGAs I write this the DOAG conference in Germany is happening. It is one of the biggest (or the biggest?) Oracle user group conferences outside...
View ArticleBlogging at codership.com
As a few LinkedIn friends already noticed, I have started working together with the Galera team at Codership. It is a part time "advisor" position and I still continue my full time work at Nokia,...
View ArticleSlides from Percona Live UK posted
Percona Live UK took place this week. It was the second year in a row and once again a great conference. Thank you Percona for bringing the show to Europe, it means a lot for the European MySQL...
View ArticleMySQL learning resources
There are a few interesting learning resources recently created by activists in the MySQL community. I just wanted to link to them to spread the word. They are free and if you've been looking for a way...
View ArticleCall for Nominations: MySQL Community Awards 2013
It is a new year and it's time again to start thinking of all the great people and companies that make the MySQL ecosystem so great. It is time to start thinking of this year's MySQL Community...
View ArticleMySQL Hall of Fame
Friendly reminder that public nominations for MySQL Community Awards 2013 are open for another week. Please nominate persons, applications or companies/organizations that you think deserve it.For...
View ArticleHelsinki MySQL User Group: Lari Pulkkinen shares experiences with adopting SSD
The next Helsinki MySQL User Group is set for Tuesday, February 19. Lari Pulkkinen from Arbitron Mobile will talk about their project adopting SSD disks for better MySQL performance. Yes, there are...
View ArticleWhy I don't care about open core any more
For reasons that I will blog about in a couple of weeks, several people last week asked me what I think about open core. My answer was that nowadays I don't care much about the topic. Long time readers...
View ArticleSlides and spreadsheets for my MySQL High Availability tutorial
Good morning Percona Live visitors! Attached to this post you can find a spreadsheet (both LibreOffice or Excel, as you prefer) that you can use towards the end of my tutorial. I've also attached the...
View ArticleMySQL Community Awards 2013 - And the winners are...
MySQL Community Awards 2013 were announced earlier today at the MySQL Conference & Expo...***It's time again to award persons, applications and companies in the MySQL Community. This is an annual...
View ArticleSlides from Spatial functions in MySQL 5.6, MariaDB 5.5, PostGIS 2.0 and...
Slides from my Percona Live talk evaluating the new spatial features in MySQL 5.6 and MariaDB 5.5 are now online. This is new material I have never presented before. It is based on work I have done in...
View ArticleSlides from Failover or not Failover, that is the question
Below are the slides from my last talk at this Percona Live Worldwide MySQL Conference. The idea for this talk was proposed by my co-presenter Massimo Brignoli and goes back to a debate on this topic...
View ArticleShowing my support
One of the greatest things with working in the MySQL community has been to meet so many people and travel in different countries and cultures. In my last blog post I mentioned how I learned that in...
View Article5 years of MySQL
5 years of MySQLPeople often write a blog post when they reach some nice anniversary since they joined MySQL community. Well, for those old enough it usually means when they joined MySQL AB as...
View ArticleOSCON2013: Slides and files for High Availability in MySQL tutorial
Good afternoon Oscon attendees - in particular attendees of my High Availability in MySQL tutorial! Attached you can find a spreadsheet (both LibreOffice, Excel) that we will use at the end of the...
View Articlept-query-digest for MongoDB profiler logs
One of my favorite MySQL tools ever is pt-query-digest. It's the tool you use to generate a report of your slow query log (or some other supported sources), and is similar to for example the Query...
View ArticleOracle's 10 commitments to MySQL - a 5 year review
Last week passed the 5th anniversary of the closing of Oracle's acquisition of MySQL. That also means that the 5 year term of the infamous 10 commitments to MySQL users that Oracle made to the EU...
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