Starting at Port of Rotterdam per 1 May 2018

Next week (1 May 2018) I will start as a Hadoop specialist/data steward/data custodian/data something something at the Advanced Analytics team at Port of Rotterdam. We haven’t worked out a fancy data something title yet. I’m already working at this team as a consultant. I’ve been involved with security and data governance of the data lake (for people outside Big Data: a data lake is simply a Hadoop cluster).

The World Port Center

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Building HDP 2.6 on AWS, Part 3: the worker nodes

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 we need worker nodes for processing the data.

Creating the worker nodes is not that much different from creating the master nodes. But the workers need more powerful nodes.

Creating the first worker node

Log in at Amazon Web Services again, in the same AWS district as the edge and master nodes. We start with one worker node and clone 2 more later on. Go to the EC2 dashboard in the AWS interface and click “Launch instance”. Then choose Ubuntu Server 16.04 from the Amazon Machine Images. (more…)

I feel great when I study

When I started studying Hadoop, Python and machine learning in 2016, I found something out that I didn’t expect. I feel better when I study. When I finished another problem, exam or course, and I stepped outside the house to do some shopping or to go to work, I felt Read more