No
It decided it should add a partition key "that nobody asked for" which it admitted to at the end of the implementation
nijave on Hacker News
In the thread “Real-SWE: Benchmarking AI models on private, real-world, enterprise codebases”, replying to this comment
Got in the way: Added unrequested partition key causing lumpy distribution and consumer starvation.
Just earlier Opus 5 was supposed to migrate a Python codebase from kafka-python client-per-send to a client singleton. It decided it should add a partition key "that nobody asked for" which it admitted to at the end of the implementation. It randomly decided going from no explicit partition key which would randomly add to a Kafka partition to partioning key company was the right solution. …