Category Archives: Howto
When I first learned about graph databases, like Neo4J, I didn’t get it. That’s how I always start with new technology: not getting at all why people getting so enthusiastic about them. Then I read “Seven Databases in Seven Weeks, … Continue reading
Data engineering isn’t always creating serverless APIs and ingressing terrabyte a minute streams with do-hickeys on Kubernetes. Sometimes people just want their Excel sheet in the data lake. Is that big data? Not even close. It’s very small. But for … Continue reading
This is part 3 in a series on how to build a Hortonworks Data Platform 2.6 cluster on AWS. By now we have an edge node to run Ambari Server, three master nodes for Hadoop name nodes and such. Now … Continue reading
If you’ve worked with the Hortonworks Data Platform 2.x sandbox of later versions in VirtualBox and made it shutdown rather vigorously, you might have noticed that you won’t get past this startup screen when you try to start it up … Continue reading
Last week I had a little fun with playing with Python, the pandas and matplotlib library and a JSON file with asteroid data. Here is what I did.
This is part 2 in a series on how to build a Hortonworks Data Platform 2.6 cluster on AWS. In part 1 we created an edge node where we will later install Ambari Server. The next step is creating the … Continue reading
Installing Hortonworks Data Platform 2.6 on Amazon Web Services (Amazon’s cloud platform), how hard could it be? It’s click, click, next, next, confirm, right? Well-lll, not quite. Especially if HDP or AWS is new to you. There are many steps … Continue reading