Resolving gRPC‑gateway Limits and mTLS Certificate Issues in etcd 3.x for Apache APISIX
This article explains how etcd 3.x switched its external API to gRPC, the challenges of using its gRPC‑gateway for HTTP requests in Apache APISIX, the default message size limit causing sync failures, and the certificate configuration pitfalls that were fixed through a PR merged in v3.5.0.