Christian Hollinger

Software Engineering, GNU/Linux, Data, GIS, and other things I like

04 Nov 2017

Data Lakes: Some thoughts on Hadoop, Hive, HBase, and Spark

4,069 words, ~16 min read

This article will talk about how organizations can make use of the wonderful thing that is commonly referred to as “Data Lake” - what constitutes a Data Lake, how probably should (and shouldn’t) use it to gather insights and why evaluating technologies is just as important as understanding your data...
06 Mar 2017

(Tiny) Telematics with Spark and Zeppelin

2,222 words, ~8 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

1,841 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

760 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

1,543 words, ~6 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.