Bootstrapping EC2 servers with Puppet
At HEROLABS we are doing sports / gaming apps and one inherent characteristic is, that you have load peaks around the games. I guess having load peaks is characteristic to for most gaming apps. If we take a look at your EMHERO2012 app we had most server traffic during the time the German national Football [...]
Eventsourcing and CQRS with Clojure and MongoDB
It was about a year ago when I stumbled about the concepts of event sourcing and command query responsibility segregation in a talk from Greg Young at QCon 2011 in London which I watched on InfoQ. This challenged some things I knew for sure regarding how to store and manage data. Fortunately I joined HEROLABS [...]
Underestimated Amazon S3
The Amazon Simple Storage Service (S3) is the big data work horse of Amazon and one of the corner stones of their cloud infrastructure. For our recent project we received a considerable amount of game data from our data provider. At the moment these file are stored in the GridFS of our Mongo DB installation, [...]
From Promises to Futures
This is the second post on an alternate implementation/approach to Futures and Promises on the Clojure programming language. In my first post I talked a little bit about strength and weaknesses of the the actual implementation of Futures and Promises in Clojure and I defined how my Future and Clojure implementation should work. At the [...]
Alternate Futures and Promises for Clojure
At the moment I am experimenting with various techniques to speed up some update queries from our client. One important element of this efforts is making things parallel. E.g. to compute a list update of deltas for the client we need to compare the version of the user on the client and in the database [...]
Suddenly somewhat famous
Thanks to a former colleague, I received word that my post about my first 100 days of working with Clojure scored Number 3. on the Hacker News. I just wanted to thank all of you for the interest and I really hope my english is not that worse. Thanks to some attentive readers, I where [...]
First hundred days of Clojure
In politics you have a one hundred days period of grace. In December I started to work with Clojure, so I guess it’s time to have a clojure look. In the last couple of years I encountered a couple of different languages. At scoyo it was ActionScript and Flex from Adobe. I had the honor [...]
The curl cheat sheet to myself
It has been not even a full week building REST style interfaces for the Playmaker Studio mobile platform and I am very annoyed of all the curl guides how to access your REST API with curl. So here is my cheat sheet on this topic. Be aware that the I will update this frequently.
Making a new move – again
After been almost 10 years at SinnerSchrader it’s very confusing for me to be on the move again. On the 1st of December I joined Playmaker Studio after being at gamigo for 18 month.
Playing around with Scala
After some inspiration the last few weeks, I decided to scrape together some spare time and have a closer look at the Scala programming language. This was kind of overdue because I am trying to have a look at new technologies at least once a year. One major challenge is always finding an interesting topic [...]
