This post was first published in aivarsk.com My journey to understand the performance and concurrency of FastAPI services lead me to the Python json.dumps function producing JSON string out of object tree. And I ended up making it a bit faster. _PyAccu vs _PyUnicodeWriter How do you create the JSON...
This post was first published in aivarsk.com Cal Paterson wrote a great article comparing and describing synchronous and asynchronous Python frameworks and explaining why asynchronous frameworks go a bit wobbly under load. This is a story of how we experienced wobbliness in a recent project. We are using FastAPI, Pydantic, and...
This post was first published in aivarsk.com The code I am working with uses Confluent Kafka Python library that calls librdkafka C++ library underneath. The code does synchronous messaging: it produces events one-by-one and ensures event is persisted in Kafka topic by waiting for acknowledgments from all replicas. This code is sensitive to latency...
