tl;dr version : This is how I spent a Saturday evening. <blink>Warning: If you like to write Java, stop reading now. Go back to using Hadoop. It's a much more mature project.</blink> As a part of my job, I do a lot of number processing. Over the course of last few weeks, I shifted to doing most of it using MapReduce using Disco. Its a wonderful approach to processing big data where the time to process data is directly proportional to the amount of hardware you throw at it and the quantity of ...