Advent of Code – Day 9

We look into writing a custom log4j appender in java and how to send you to log messages with an appender to RabbitMQ. Writing a custom appender is challenging due to performance considerations.

We look into high availability using Heartbeat and DRBD. Heartbeat is a software to monitor and failover when a machine is unresponsive and DRBD can help you replicate data between machines making your setup highly available. This solution can help you doing maintenance work without downtime.

We look into how to fetch messages manually so we don’t prefetch any messages and create bottlenecks for longer running processes.

I’m trying to solve all the Advent of Code puzzles in this video series.

In this video series, I try to challenge myself with the Advent of Code trials. Each solution will be published to Github, and I hope you will learn something from my coding mistakes and perhaps send some code my way on how you have done these challenges. I know by reading code, so this is…

In this video series, I try to challenge myself with the Advent of Code trials. Each solution will be published to Github, and I hope you will learn something from my coding mistakes and perhaps send some code my way on how you have done these challenges. I know by reading code, so this is…