The Percona Live MySQL Conference and Expo 2012 is over. Together with the SkySQL solutions day, it has kept me occupied for 4 full days, from early morning to late at night.
I have to say that I am pleased. The quality of the organization was very high, with a very good lineup of speakers and an excellent technical support.
As usual, I have learned a lot during this week, either directly, by attending talks, or indirectly, by meeting people who told me what was juicy at the talks that I had missed. And I have met new interesting people, and caught up with the people that I know already.
This conference was particularly intense also because I got myself involved in 5 talks, which was probably more than I should have. How did I end up with such a task? It's a long story.
It all started when the CfP opened. In the review committee, we all knew that Oracle was not eager to participate, but we hoped that it would change its mind and send someone in the end. So we planned ahead, and some of us proposed talks aimed at beginner and intermediate users, with topics that are usually best covered by the people who work at the MySQL team. I proposed Replication 101 and What's new in MySQL 5.5 and 5.6 replication, with the idea that I would hand them over to a couple of Oracle engineers, or have them as co-speakers. That, however, didn't happen. So I had to prepare and present these two talks, in addition to the one that I wanted to do on my own (Testing MySQL creatively in a sandbox).
That makes 3 talks. Then I got tasked with organizing the lightning Talks, which is not a big deal per se, but it adds to the global effort. 4 talks.
And finally, SkySQL organized another beautiful conference on Friday, and I got to present a fifth talk. I enjoyed every bit of them, but boy! the conference was intense!.I have learned not only from the talks that I have attended, but also from the preparation of my own talks. The biggest source of surprises was my talk about MySQL 5.6 replication. I was expecting a mature release, but I found a collection of features that don't play very well together, and can sometimes lead to an unstable server. Since I was trying to get my demos working, rather than isolating the bugs, I didn't submit any reports, but I will come back to that version and do a more thorough analysis as soon as I catch up with my day-by-day work.
Speaking about demos, it's quite common for me to include a demo in a technical talk. First, because getting a demo done will make me better acquainted with the features that I am presenting, and also because a presentation with a demo conveys the idea of a mature and reliable product (or the idea that I, as the speaker, know what I am talking about). Either way, I know prepare a demo for every talk where I have sufficient time to show one, and sometimes even for a lightning talk. So it was surprising to hear comments that praised my talks because they contain demos. Is this practice so unusual? I should start taking count of how often this is done.
My most satisfactory demo (and the one that almost got me in trouble) happened at the last talk, on Friday, when I had to show features from three different Tungsten topologies, using three separate remote clusters. For these demos to be successful, I needed good internet connection, a solid confidence in the product and the strength of its tests, and to remember the sequence of operations for each demo. To my surprise, everything went so smoothly, that someone in the audience thought that I was running a simulation in my laptop, instead of interacting with servers that were 10,000 Km away. So much for my rehearsals! I must remember to add at least a tiny mistake in an otherwise perfect sequence of tasks, to make the audience aware that I am playing live.
The slides for my presentations are available at Slideshare.
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