How a 15-minute chat with an LLM found a hidden ArrayPool<byte>. Shared contention point that no static analyzer would ever flag — and why the fix had nothing to do with adding a lock. The ticket "CPU on market-data-gateway climbed ~20% after we added a broadcast fan-out path last sprint.
Source: [Dev.to](https://dev.to/pedrosakuma/the-pool-that-got-slower-the-more-we-shared-it-57oh)