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Displaying posts with tag: social (reset)
GUUG Frühjahrsfachgespräch 2014: CfP ends on May 31st!

The German Unix User Group (GUUG) will hold their annual conference "Frühjahrsfachgespräch" on September 23-26 this year (I know, not really "Frühjahr" anymore, but this is how it is).

The Call for Presentations is still open until May 31st. Talks can be proposed in German and English, and there are slots for longer tutorials as well.

The range of possible topics is broad, so if you think you have anything interesting to share with a very passionate and technical audience of sysadmins and developers, here are some suggestions:

  • Operating Systems/Applications: architectures, privilege concepts, new developments, administration, mobile systems
  • Relevant new OS Kernel features: new developments in Linux-, BSD- or other Spen …
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MySQL Cluster Powers El Chavo from Playful Play, Latin America’s Most Popular Facebook Game


Attracting over 2m subscribers in just 4 months and growing by 30,000 new users per day, Playful Play needed a database that was able to keep pace with the massive scalability and high availability demands of the wildly successful La Vecindad de El Chavo Facebook game.

Playful Play selected MySQL Cluster CGE running on a public cloud to power their gaming platform, providing:

  • 45% improvement in performance;
  • 99.999% uptime;
  • 80% reduction in DBA overhead;
  • Local language support, 24x7.

As a result, Playful Play has been able to maintain user growth rates and attract new advertisers to the platform, while enhancing agility and reducing cost. …

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MySQL Cluster 7.2 -- Unlimited Possibilities

We've recently seen some great announcements of MySQL Cluster delivering amazing results for both selects and updates. The posts (see related articles below) are full of juicy technical details and proofs, but today I'd like to change the perspective a bit. Let's compare those figures with real-world data and imagine what could be done. Please note that I'm not using any scientific method here, just dreaming about the unlimited opportunities offered by MySQL Cluster today.

MySQL Cluster 7.2.7 -- 1B+ Writes per Minute

Cluster can deliver 1B+ selects per minute with 8 nodes …

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Announcing the FOSDEM MySQL & Friends DevRoom schedule

It was ready for a while already, but now it's part of the official FOSDEM schedule as well: I am very pleased to announce the presentations and speakers of the MySQL & Friends Developer Room, which will take place this coming Saturday (5th of February) in Brussels, Belgium.

This year, our DevRoom will be located in room H.2213 (in the H Building), which has a capacity of up to 100 people and will be available to us from 13:00-19:00 o'clock. We have 12 sessions lined up, each will last 25 minutes (incl. Q&A). Without further ado, here's our schedule:

Time Speaker Session Title
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Find friends of friends using MySQL

In a previous article, I've already talked about an optimized way to connect locations in a geographic point of view by using MySQL. In this manner, locations of pubs, drugstores, barbers or even users can be obtained. Communities, or perhaps I should use the newer term Social Networks, make use of the buddy network of indiviual members in addition to the geographical mapping. This has many psychological advantages, because new members can be integrated in an established network very easily and I'm more willing to become involved when I already know some of the members.

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Thoughts about working in a distributed organization

I've been working in a fully distributed work environment for almost 8 years now (I joined MySQL AB in April, 2002). Therefore I've been reading Toni Schneider's blog post about the "5 reasons why your company should be distributed" with great interest – he raised several points that I fully agree with and which I covered in my talks about "Working for a virtual company - how we do it at MySQL" at last year's next09 conference (slides, video) and at …

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"MySQL & Friends" DevRoom@FOSDEM schedule published, want to join us for dinner on Saturday evening?

The tracks of this year's "MySQL & Friends" Developer Room at FOSDEM 2010 have now been scheduled - please check the Wiki page for details on the talks as well as some background information about the speakers. This info should soon be available via the FOSDEM conference system as well. We had some last-minute changes and we actually managed to schedule two more talks due to a small glitch in the initial calculation. The topics look very interesting, we hope that we can provide some valuable information for developers, users as well as MySQL DBAs!

One of our speakers (Kris Buytaert) suggested to arrange a joint dinner for Saturday evening, which is indeed a good idea! Thankfully he also volunteered for coordinating it - thanks in advance! …

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Back from SAPO Codebits in Lisbon - a summary

Last week, my colleagues Giuseppe, Kai and myself attended the SAPO Codebits event in Lisbon, Portugal. Codebits is an annual, invite-only hacking event, which went on for three days. The venue they chose this year was the "Cordoaria", a former rope factory located in the Belém district, close to the 25 de Abril Bridge (which is an impressive sight!). I have been told that the Cordoaria is the longest building in Portugal and I have no doubts about that! The building is so long that the crew used bicycles to get from one end to the other. I've taken a number of …

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Aspects and benefits of distributed version control systems (DVCS)

This blog post is a by-product of my preparation work for an upcoming talk titled "Why you should be using a distributed version control system (DVCS) for your project" at SAPO Codebits in Lisbon (December 3-5, 2009). Publishing these thoughts prior to the conference serves two purposes: getting some peer review on my findings and acting as a teaser for the actual talk. So please let me know — did I cover the relevant aspects or did I miss anything? What's your take on DVCS vs. the centralized approach? Why do you prefer one over the other? I'm looking forward to your comments!

Even though there are several distributed alternatives available for some years now (with Bazaar, git and …

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Some friendly advice for bootstrapping your OSS project

So you're a small startup company, ready to go live with your product, which you intend to distribute under an Open Source License. Congratulations, you made a wise decision! Your developers have been hacking away frantically, getting the code in good shape for the initial launch. Now it's time to look into what else needs to be built and setup, so you're ready to welcome the first members of your new community and to ensure they are coming back!

Keep the following saying in mind, which especially holds true in the Open Source world: "You never get a second chance to make a first impression!". While the most important thing is of course to have a compelling and useful product, this blog post is an attempt to highlight some other aspects about community building and providing the adequate infrastructure. This insight is based on my own experiences and my …

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