PostgreSQL: production-ready Hash Indexes

Up to PostgreSQL 9.6, hash indexes were second class. Using them in production was not recommended; they weren't crash-safe. That's going to change with PostgreSQL 10. And here's what's gonna change.

CI Done Right

Broken.

Recently, some people have had some serious issues with a broken setuptools release [1, 2, 3]. One special complain was about broken CI systems just because of this central package. Replying to those reactions, I had a conversation via twitter about certain design decisions of continuous integration [4, 5].

In this post, I want to assemble part of my personal experience in building those systems for the last couple of years. The result should be a little cozy guideline for those setting up their CI system and CD system within a corporate environment.