Christian Hollinger

Software Engineering, GNU/Linux, Data, ML, and other things

06 Mar 2017

(Tiny) Telematics with Spark and Zeppelin

2881 words, ~11 min read

How I made an old Crown Victoria "smart" by using Telematics...
02 Dec 2016

Storm vs. Heron – Part 2 – Why Heron? A developer’s view

1841 words, ~7 min read

This article is part 2 of an upcoming article series, Storm vs. Heron.
15 Oct 2016

Storm vs. Heron, Part 1: Reusing a Storm topology for Heron

787 words, ~3 min read

This article is part 1 of an upcoming article series, Storm vs. Heron.
04 Sep 2016

Update an HBase table with Hive... or sed

1952 words, ~7 min read

This article explains how to edit a structured number of records in HBase by combining Hive on M/R2 and sed - and how to do it properly with Hive.