Writings.
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HAProxy - a journey into multithreading (and SSL)
I'm running some load balancers which are using HAProxy to distribute HTTP traffic to multiple systems. While using SSL with HAProxy is possible since some time, it wasn't in the early days. So we decided for some customers, which was in need to provide encryption, to offload it with Apache.…
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Comparing (OVH) I/O performance
Since some time I'm using cloud resources provided by OVH for some projects I'm involved. Recently we decided to give Zammad, an opensource support/ticketing solution, a try. We did choose the docker compose way for deployment, which also includes an elasticsearch instance. The important part of this information is,…
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Deploying a (simple) docker container system
When a small platform for shipping containers is needed, not speaking about Kubernets or something, you have a couple of common things you might want to deploy at first. Usual things that I have to roll out everytime deloying such a platform: docker docker-compose Watchtower - automatically updating and restarting…
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Migrating Gitlab non-packaged PostgreSQL into omnibus-packaged
With the release of Gitlab 8.15 it was announced that PostgreSQL needs to be upgraded. As I migrated from a source installation I used to have an external PostgreSQL database instead of using the one shiped with the omnibus package. So I decided to do the data migration into…
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Container Orchestration Thoughts
Since some time everybody (read developer) want to run his new microservice stacks in containers. I can understand that building and testing an application is important for developers. One of the benefits of containers is, that developer (in theory) can put their new version of applications into production on their…