Tuesday Apr 28, 2009

MySQL University: Testing multiple servers with MySQL Sandbox

This Thursday (April 30th, 14:00 UTC), Giuseppe Maxia will give a MySQL University session on Testing Multiple Servers With MySQL Sandbox. Giuseppe is the creator of MySQL Sandbox, and has recently announced a new Sandbox version and other interesting changes, for example the --query-analyzer option to make_sandbox (but note the date when this was announced!).

For MySQL University sessions, point your browser to this page. You need a browser with a working Flash plugin. You may register for a Dimdim account, but you don't have to. (Dimdim is the conferencing system we're using for MySQL University sessions. It provides integrated voice streaming, chat, whiteboard, session recording, and more.) All MySQL University sessions are recorded, that is, slides and voice can be viewed as a Flash movie (.flv). You can find those recordings on the respective MySQL University session pages which are listed on the MySQL University home page.

MySQL University is a free educational online program for engineers/developers. MySQL University sessions are open to anyone, not just Sun employees. Sessions are recorded (slides and audio), so if you can't attend the live session you can look at the recording anytime after the session.

Here's the schedule for the upcoming weeks:

  • April 30, 2009: Testing Multiple Servers With MySQL Sandbox (Giuseppe Maxia)
  • May 7, 2009: MySQL Replication: Walk-through of the new 5.1 and 6.0 features (Lars Thalmann)
  • May 14, 2009 (tentative): Programming Towards Multi-Core CPUs (Mikael Ronström)
  • May 21, 2009: No session scheduled
  • May 28, 2009: No session scheduled
  • June 4, 2009: Boosting Performance With MySQL 5.1 Partitioning (Giuseppe Maxia)
  • June 11, 2009: Building MySQL Releases on Unix (Jörg Brühe)
  • June 18, 2009:  Architecture of MySQL Backup (Lars Thalmann)
  • July 2 (tentative): Starring Sakila - a data warehouse mini-tutorial (Roland Bouman)

The schedule is not engraved in stone at this point. Please visit http://forge.mysql.com/wiki/MySQL_University#Upcoming_Sessions  for the up-to-date list. On that page, you can also find the starting time for many time zones.

Thursday Oct 30, 2008

MySQL University on MySQL Sandbox

MySQL UniversityToday, Giuseppe Maxia gave a presentation on MySQL Sandbox. This was our second MySQL University session using the new conferencing system, Dimdim.

Most attendees arrived in time, but like with any real-life university, some arrived late, and some left during the session. We had an average of 16-17 attendees, and a peak of 19.

Giuseppe presented using a slide set, rather than using the desktop sharing facility that Dimdim offers. Clicking through slides feels real-time, while desktop sharing requires some time for changes to arrive on the receiving end (as we've experienced with the previous session). Also, clicking through slides requires virtually no bandwidth (after the slide set has been uploaded to Dimdim). Giuseppe's voice came over loud and clear. A few attendees reported (in the public chat) problems with sound from time to time. For me, Giuseppe's voice disappeared for a period of 1-2 minutes in the middle of the session, but others I asked didn't have that problem.

Giuseppe also used Dimdim's whiteboard to share some thoughts and URLs. I like the whiteboard feature. It's pretty lean and lightweight. Usability beyond doing simple stuff is another issue, though – but I think that's even the case for physical whiteboards.

This time, recording the session worked flawlessly, except that I forgot to click the recording button when Giuseppe started speaking, so the first few minutes weren't recorded. The recording feature has pretty severe limitations (as described here), but otherwise it's cool: You can see the slides one by one, and listen to the voice, something that I've seen only with client-sided recording so far (for example, Camtasia). Note that the recording has to load fully before you can start viewing & listening. There's also a chat transcript. Both the recording and chat transcript URLs are linked from the MySQL University session page. Try the recording, and let me know what you think of it!


mysqlf is a common typo on the #docs IRC channel of the MySQL documentation team. It shows a high (some might say, dangerous) degree of identification with MySQL. Trying to pronounce it will probably result in tongue injuries.


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