Author Archives: Sönke Liebau


Benchmarking Apache HBase on Kubernetes

TL;DR In this blog post, I describe a benchmarking exercise we conducted to compare the performance impact of running HBase and HDFS on Kubernetes versus running them on bare-metal. The blog post explains the challenges of running stateful workloads on … Read More


The Stackable Security Story

Both Lars and I have always had a special place in our heart for security throughout our consulting careers. It might have to do with being German, but most probably it was simply caused by being burned too often by … Read More


Log4Shell and how we mitigate it

Some Background It has been a while since the last high profile vulnerabilities like Heartbleed or the Rowhammer  family have been published. But last Friday saw another exploit make international headlines: CVE-2021-44228 or, as it is more commonly known: Log4Shell. … Read More