This enables limiting concurrency. It is a naive approach which will reject requests as soon as they exceed the maximum number of in-flight requests. It is a port of the following PR from the new watchdog code: https://github.com/openfaas-incubator/of-watchdog/pull/54 Signed-off-by: Sargun Dhillon <sargun@sargun.me> Signed-off-by: Lucas Roesler <roesler.lucas@gmail.com>
- this PR adds metrics via Prometheus for instrumentation and to move towards using HPAv2 / custom metrics in Kubernetes. Signed-off-by: Alex Ellis <alexellis2@gmail.com>
