When wrapping resources in Singleton objects, understanding the lifecycle behavior of both the underlying resource and the calling code is key. Django loves to close logging handlers frequently during its boot cycle. Debugging log handlers is its own special kind of fun; read on for the schadenfreude.
I'm an engineer by trade. I rely on intuition when investigating a slow Django app. I've solved a lot of performance issues over the years and the short cuts my brain takes often work. However, intuition can fail. It can fail hard in complex Django apps with many layers (ex: ...
I don't know of an easier way to deploy a Django app than letting Heroku do the work. That said, how do you stay on top of your app's performance, errors, and stability post-launch? Running an app on Heroku is a blissful experience, but it presents some monitoring challenges that ...
This post covers instrumenting a Django app with StatsD. StatsD is logging for metrics and is the missing swiss army knife in your measurement toolbelt.
The Django ORM makes it easy to fetch data, but there's a downside: it's easy to write inefficient queries as the number of records in your database grows.