Monthly Archives: December 2018

R Studio: Doing data science on my health data – Part 1

Posted on December 21, 2018 by admin_r0g1nuq9

Up to seven years ago my doctor would nag me every half year that I should lose some weight. Nagging didn’t work on me that much. What did work however was competition. I wanted to become faster in a bike … Continue reading →

Posted in Learning Big Data, Weird experiments | Tagged , , , , | Leave a comment

Check your /tmp on HDFS

Posted on December 19, 2018 by admin_r0g1nuq9

If you have sensitive data on your Hadoop cluster, you might want to check /tmp on HDFS once a while to see what ends up there. /tmp is used by several components. Hive for example stores its “scratch data” there. … Continue reading →

Posted in Learning Big Data | Tagged , , | Leave a comment

Tech dossier: Elasticsearch / the ELK stack

Posted on December 3, 2018 by admin_r0g1nuq9

Because tech is moving so fast, I’ve been keeping dossiers in Evernote of open source products I have to learn more of, which I’ve decided to put on my blog. My last one was about Kubernetes. This one is about … Continue reading →

Posted in Tech dossier | Tagged , , , , , | Leave a comment

Tech dossier: Kubernetes

Posted on December 1, 2018 by admin_r0g1nuq9

Because tech is moving so fast, I’ve been keeping dossiers in Evernote of open source products I have to learn more of. Like Kubernetes. This morning I suddenly thought this would be perfect for a blog.. if properly organized. My … Continue reading →

Posted in Kubernetes, Tech dossier | Tagged , , , , , , , , | Leave a comment