Ingress Controller benchmark

Prerequisite

Docker Kubernetes Cluster

setup

sudo sh setup.sh

Why sudo?

Because setup.sh modified /etc/hosts file, to register hostname and IP of ingress gateway.

benchmark

Need to run in repo root.

load test

sh shell/benchmark.sh 

load test - with custom app

#                      APP  VU   Duration
sh shell/benchmark.sh nginx 3000 3m

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Uninstall

sh uninstall.sh

Result

# Benchmark with nginx server, 3000 VUs, 3m duration.
# All ingress controller has 1 pod. No HPA.
# Pod memory is 2Gi. CPU is 200m, 500m, each.

# Command:
sh shell/benchmark.sh nginx 3000 3m

CPU 200m

high resolution

CPU 500m

high resolution

Istio has high cpu usage.
Nginx has a long tail latency with 400m+ cpu.