My first look into herddb clustering.
I try to create a herddb using zookeeper and bookkeeper. I talk about the challenges I found and what the current state of the project is in my opinion.
We talk about what is good to know when you take employment in a company.
In this video I revisit the topic of cephadm, last time I thought it was not ready for production but I show off some of the improvements that have been done in the process. We talk about the different steps required in the console to get the cluster started and then I look at the…
I’m trying to solve all the Advent of Code puzzles in this video series.
We talk about the Feistal Cipher and implement a simple proof of concept to test the algorithm out. Computerphile video: https://www.youtube.com/watch?v=FGhj3CGxl8I Source code: package org.ea; import java.security.MessageDigest; import java.util.Arrays; public class FeistelAlg { private final static String plainText = "the brown fox jumped over the lazy dog"; public static void doRound(byte[] left, byte[] right) throws…
In this video, we look into the database library Galera for MySQL or MariaDB. It enables replication over multiple hosts where each host is a master and replicated to the other hosts so it’s eventually consistent.
We use OpenCL to run workloads on GPU and try a simple blur filter.