2013 promises to be a banner year for Apache Hadoop, platform providers, related technologies – and analysts who try to sort it out. I’ve been wrestling with ways to make sense of it for Gartner clients bewildered by a new set of choices, and for them and myself, I’ve built a stack diagram that describes possible functional layers of a Hadoop-based model.
The model is not exhaustive, and it continually evolves. In my own continuous collection and update of market, usage and technical data, it serves as a scratchpad I use – every project/product name in the layers is a link to a separate slide in a large deck I use to follow developments. As you can see below, it contains many Apache and non-Apache pieces – projects, products, vendors – open and closed source. Some are quite low level – for example Trevni can be thought of as a format used inside Avro – but I include them at least in part because I keep track of “moving parts,” and in the world of open source, that means a lot of pieces that are independent of one another.
Part of the effort so far has been on relating this model to Gartner’s Information Capabilities Framework, an enormously useful view of the verbs we use to compose our semantic use cases in building business applications. My colleague Ted Friedman and I just used the two models to assess how Hadoop stacks up as a Data Integration solution. Not surprisingly, I suppose, we found it wanting. You can see our research here if you’re a Gartner client.
I expect further refinement of this stack in the weeks ahead, and more offerings at each layer as it evolves as well. I’m trying to keep it simple – at 6 layers its already getting heavy, and I’d hate to add more. But that may be unavoidable. Your feedback here will be helpful – please offer comments if you have any! As a guide to choice, simplicity is a much-desired, but often unobtainable, objective.
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