This is an AI updated revision of the original post A stock update endpoint takes 5-14 seconds, blocking customer requests and locking up workers. The obvious fix is a background task queue – but which broker and Python client should you use? This post benchmarks Apache Kafka, Amazon SQS, and Redis across reliability, throughput, and […]
Category: python
Say you have some dictionary arriving and you want to ensure the data from the dictionary has an acceptable default for a field.. Should you use a get with a default like this: my_key = my_dict.get(‘key’, False) or using python’s or keyword: my_key = my_dict.get(‘key’) or False Some Scenarios Where the key does not exist […]
An interesting question has come up for a real world task. What queue and python queue client should be used? In this post, a few queue options will be tried in the attempt to answer which one should be used. The Problem The real world problem is currently a single api is used to serve […]
Is asyncio simple? Some ideas: https://charlesleifer.com/blog/asyncio/ https://techspot.zzzeek.org/2015/02/15/asynchronous-python-and-databases/ https://lucumr.pocoo.org/2016/10/30/i-dont-understand-asyncio/ Came across a well written and simple post about Async programming in Python. A good place to learn about python is always the documentation – here is the documentation for asyncio There is also this Python and Async simplified post. Many of the examples of asyncio can […]
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Python Implicit Namespace Packages
A very confusing topic is python imports and paths. One area that makes it more confusing was the introductions of implicit namespace packages. https://peps.python.org/pep-0420/#differences-between-namespace-packages-and-regular-packages These are packages that are found even without an __init__.py. A folder can be created on the python path and that folder automatically becomes a python package. Not sure why or […]