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gRPC Performance Testing Lab

gRPC Version JMeter DSL k6

Prerequisites

  • Docker and Docker Compose
  • Make
  • Go
  • Java 21 (for JMeter DSL tests)

Quick start

  1. Initialize the project:
make init
  1. Start monitoring stack:
make docker/up
  1. Run tests:
# Maximum load test with JMeter DSL
make test/max-load/jmeter

# Maximum load test with k6
make test/max-load/k6

# Run complete test cycle
make test/full-cycle

Makefile commands

Setup

make init              # Initialize project
make build             # Build all components
make proto             # Generate protobuf files

Testing

make test/max-load/jmeter     # Run max load test with JMeter
make test/max-load/k6         # Run max load test with k6
make test/reliability/jmeter  # Run reliability test with JMeter
make test/reliability/k6      # Run reliability test with k6
make test/full-cycle         # Run all tests

Infrastructure

make docker/up        # Start all containers
make docker/down      # Stop all containers
make clean            # Clean build artifacts
make clean/docker     # Clean docker resources
make clean/deep       # Deep clean (artifacts + docker)

Service endpoints

Service Port URL
gRPC Server 50052 localhost:50052
Prometheus 9090 http://localhost:9090
Grafana 3000 http://localhost:3000
InfluxDB 8086 http://localhost:8086
cAdvisor 8080 http://localhost:8080
Node Exporter 9100 http://localhost:9100

Resource Limits

Service Memory CPU
gRPC Server 2G 2
Prometheus 1G -
InfluxDB 2G 1
cAdvisor 512M -
Node Exporter 128M -

Monitoring

Default Grafana credentials:

Notes on monitoring

While the current monitoring setup provides core metrics for CPU, RAM, and gRPC-specific indicators, in a production environment, I would extend this with detailed network stack monitoring to better identify potential bottlenecks. For this demonstration, I focused on implementing the custom gRPC sampler for JMeter DSL and core performance metrics to meet the primary objectives while maintaining reasonable delivery timeframes.

Project structure

.
├── config/                    # Configuration files
│   ├── grafana/              # Grafana dashboards
│   ├── prometheus/           # Prometheus config
├── grpc-perf-lab/            # gRPC server
├── tests/                    # Test files
│   ├── jmeter-dsl/          # JMeter DSL tests
│   └── k6/                  # k6 test scripts
└── scripts/                  # Utility scripts

JVM options

Default JVM options for test execution:

-Xmx2g -Xms2g
-XX:MaxMetaspaceSize=512m
-XX:+UseG1GC
-XX:MaxGCPauseMillis=100
-XX:+ParallelRefProcEnabled