Christian Hollinger
New Website & Scala Days 2025 Announcement
A Distributed System from scratch, with Scala 3 - Part 3: Job submission, worker scaling, and leader election & consensus with Raft
My 2025 Homelab Updates: Quadrupling Capacity
Why I still self host my servers (and what I've recently learned)
Improving my Distributed System with Scala 3: Consistency Guarantees & Background Tasks (Part 2)
Moving a Proxmox host with a SAS HBA as PCI passthrough for zfs + TrueNAS
Building a functional, effectful Distributed System from scratch in Scala 3, just to avoid Leetcode (Part 1)
Migrating a Home Server to Proxmox, TrueNas, and zfs, or: How to make your home network really complicated for no good reason
QGIS is the mapping software you didn't know you needed
Tiny Telematics: Tracking my truck's location offline with a Raspberry Pi, redis, Kafka, and Flink (Part 2)
Tiny Telematics: Tracking my truck's location offline with a Raspberry Pi, redis, Kafka, and Flink (Part 1)
Functional Programming concepts I actually like: A bit of praise for Scala (for once)
Scala, Spark, Books, and Functional Programming: An Essay
Building a Data Lake with Spark and Iceberg at Home to over-complicate shopping for a House
Writing a Telegram Bot to control a Raspberry Pi from afar (to observe Guinea Pigs)
Raspberry Pi Gardening: Monitoring a Vegetable Garden using a Raspberry Pi - Part 2: 3D Printing
Raspberry Pi Gardening: Monitoring a Vegetable Garden using a Raspberry Pi - Part 1
Bad Data and Data Engineering: Dissecting Google Play Music Takeout Data using Beam, go, Python, and SQL
Why I use Linux
RE: Throw Away Code? Use go, not Python or Rust!
A Data Engineering Perspective on Go vs. Python (Part 2 - Dataflow)
A Data Engineering Perspective on Go vs. Python (Part 1)
Goodbye, WordPress - Hello, Hugo & nginx
How a broken memory module hid in plain sight
Tensorflow on edge, or – Building a “smart” security camera with a Raspberry Pi
How I built a (tiny) real-time Telematics application on AWS
A look at Apache Hadoop in 2019
Building a Home Server
Analyzing Reddit’s Top Posts & Images With Google Cloud (Part 2 - AutoML)
Analyzing Reddit’s Top Posts & Images With Google Cloud (Part 1)
Analyzing Twitter Location Data with Heron, Machine Learning, Google's NLP, and BigQuery
Data Lakes: Some thoughts on Hadoop, Hive, HBase, and Spark
(Tiny) Telematics with Spark and Zeppelin
Storm vs. Heron – Part 2 – Why Heron? A developer’s view
Storm vs. Heron, Part 1: Reusing a Storm topology for Heron
Update an HBase table with Hive... or sed