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OverHelloWorld Benchmark Results

This document summarizes the results of advanced load testing performed with k6 on the OverHelloWorld project.

Test Environment

  • Date: 2025-04-17
  • Host: Local Docker Compose (app + Redis)
  • Load Tool: k6 v0.49+
  • Script: tests/load/advanced-hello-load-test.js
  • App Version: Initial public release

Scenarios

  • Ramping Users: Up to 100 VUs over 3 minutes
  • Constant Arrival Rate: 40 iterations/sec for 2 minutes (max 100 VUs)
  • Mixed GET/POST traffic to /, /hello, and /hello (POST)

Thresholds (all passed)

  • 95% of requests < 500ms
  • Avg custom response time < 300ms
  • Error rate < 1%

Key Results

Metric Value
Total iterations 12,665
Total requests 17,434
Avg response time (custom) 0.83 ms
95th percentile duration 2.61 ms
Error rate 0%
Data received 1.5 GB
Data sent 2.0 MB
Max VUs 150

Detailed Results

custom_response_time (avg): 0.83 ms
http_req_duration (p95): 2.61 ms
http_req_failed: 0%
checks_total: 25,330
checks_succeeded: 100%
iterations: 12,665
http_reqs: 17,434
vus_max: 150

Scenario Checks

  • ✓ POST /hello status 202
  • ✓ GET /hello status 200
  • ✓ GET / status 200
  • ✓ body contains OverEngineered

Interpretation

  • The OverHelloWorld app demonstrates extreme overengineering and extreme performance.
  • System easily handled heavy, mixed traffic with zero errors and sub-millisecond latencies.
  • Further scaling or chaos testing is likely to be limited by network or Docker host, not the app itself.

For more details, see the k6 script and raw output in tests/load/.