Services

• Prometheus: localhost:9090
• Prometheus log exporter(express): localhost:9092
• Grafana: localhost:3000
• Postgres: localhost:5432
• Websocket: localhost:4080
• Express/Elysia: localhost:4000

How to test http and websocket load test

1. Update Dockerfile with the chosen runtime and command. Create .env file and copy values from .env.example.
2. docker-compose build && docker-compose up
3. open localhost grafana on browser (localhost:3000) with username: admin, password: admin1
   • prepare graphs for metrics nodejs_memory_usage_in_bytes and nodejs_cpu_usage_in_percentage
4. install k6 and run load test
   • k6 run src/http-request-load-test.js or
   • k6 run src/websocket-load-test.js
5. View metrics on grafana
6. docker-compose down

How to test file read/write

1. Install Hyperfine
2. run
   • hyperfine 'node src/read-write-node.js' 'bun run src/read-write-node.js'
   • hyperfine 'bun run src/read-write-node.js' 'bun run src/read-write-bun.js'
   • hyperfine 'node src/read-write-node.js' 'bun run src/read-write-bun.js'