You Don't Need Redis

This is not a hardware problem. It is not a budget problem. It is a knowledge problem. And knowledge problems, if you'll permit me, are the very best kind — because they are solved by learning, not by spending.

The database was not slow. It was being asked poorly.

The ORM didn't cause the problem. It prevented the discovery of the solution.

The advice to add more services arrives most enthusiastically from those who sell them.

PostgreSQL is not a database. It is an ecosystem that most teams use as a database.

Depth produces mastery. Breadth produces familiarity. Mastery solves problems at three in the morning. Familiarity consults the documentation.

A well-run establishment does not employ three waiters where one suffices. The coordination overhead alone would be untenable.

The planner is a remarkably sophisticated instrument. It does, however, require honest information.

In infrastructure, boring is the highest compliment available.

It is not your fault. But it is, if you'll permit me, now your responsibility.