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Latest Big Data Articles

Data iteration

How to create Data analytics projects

Big Data Analysis is something that needs some iteration principles. If we look at a famous novel where a lot of data was analyzed, “A hitchhikers guide to the galaxy” became famous. In the novel, someone asked a supercomputer a question: “Answer to the Ultimate Question of Life, the Universe, and Everything”. As this was […]

Performance for an AWS Micro Instance measured by a Load Test

Big Data challenges: storage performance

Big Data needs Big Storage and storage is at the end a physical device. Until now, most storage devices are hard disks that require mechanical movements. A common hard drive available today (December 2012) has 15,000 (Seagate, 2013) revolutions per minute (rpm) and a desktop hard drive has some 7,200-rpm. In any case, this means […]

Cloud Architecture


Big Data or what is the Data Lake?

When it comes to Big Data, people are often talking about the “Data Lake”. But what is this? Historically, we normally lived in “Data Ponds”. With the data pond architecture, each department within a company has it’s own data storage, often in different formats and technologies. HR, for instance, uses other technologies like the marketing […]


Cloud Computing Architectures: Application layer and technology layer with Archimate

As described in our previous post on cloud computing architectures, I would like to continue with the architectural approach given with Archimate. Archimate comes with two more layers, the application and the technology layer. The Application layer has some core concepts we can use for cloud computing architectures: Services. Services are provided by our platform […]

Everything about Automation


Resource Automation in the Cloud: Event Lifecycle Management

This is the follow-up post to our Series “Resource Automation”. In this part we will focus on Event Lifecycle Management and the associated challenges we face in terms of resource Automation. By Event Lifecycle Managment, we basically mean what happens if events in the datacenter or cloud occur. Events can be different things but most […]