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Articles tagged with #databases
Widely know as N+plus one problem, it’s actually a misnomer. As @adamj.eu’s article neatly summarize with examples (and now my dyslexic mind actually understands it), it’s one query to get a list of N objects that you iterate over. And each iteration...
Websites are inherently read heavy. There are various technologies that help to serve content from CDNs to application level caching. Databases can also be configured with read only replicas. Read queries can routed to these servers alleviating the l...
I needed to collect messages from different processes which was triggered by a record insertion. To keep things simple and denormalized, this stack overflow gem allows for that. from django.db import models class DBModel(models.Model): @classmet...
Our test code APIs for our End-to-End tests can't be accessed in production There was a release that added more unitests before the spike. Looking at the PR with thought nothing of it. What we later found out was that it resulted in 100% CPU utiliza...
