Notes from a 2 AM On-Call: Why Our vLLM Semantic Router Dropped 40% of Requests Under Load

DEV Community

Notes from a 2 AM On-Call: Why Our vLLM Semantic Router Dropped 40% of Requests Under Load

A production postmortem on silent request drops in vLLM semantic routing at scale, the async executor bottleneck we missed, and the 8-line fix.

A production postmortem on silent request drops in vLLM semantic routing at scale, the async executor bottleneck we missed, and the 8-line fix.