Precogs Tech

Dirty Old Code — Part 3

This is the third and last chapter of a series about how we moved our…

Dirty Old Code — Part 2

This article is the second chapter of a series about how we move our…

Dirty Old Code — Part 1

I’ll chop you down like an old dead tree  — Ewan MacColl (Dirty Old Town)

Vacuuming ‘dead tuples not yet removable’ in PostgreSQL and other tales.

PostgreSQL queries were taking much longer than expected and we didn’t know why. We found an expert to help us solve the problem and hopefully this post will allow you to avoid the same issue.

Unit testing on Lambda

A while ago, I attended an AWS user group meetup where one of the speakers explained the challenges he faced when migrating to a serverless architecture. He felt that since they migrated to AWS Lambda, developpers became reluctant to write unit tests.

Lambda: How I Finally Won My Race Against Timeout