{
  "tasks": [
    {
      "id": "static_workload",
      "name": "Static Uniform Workload",
      "difficulty": "easy",
      "trace_file": "traces/static_workload_trace.parquet",
      "arrival_rate_rps": 5.0,
      "burst_rate_rps": 10.0,
      "burst_every_steps": 0,
      "burst_length_steps": 0,
      "step_window_s": 5.0,
      "max_steps": 200,
      "slo_p99_ttft_ms": 500.0,
      "memory_cap_gb": 38.0,
      "cost_cap_per_1k": 0.0030,
      "priority_fraction": 0.0,
      "prompt_distribution": {
        "type": "uniform",
        "min": 512,
        "max": 512
      }
    },
    {
      "id": "bursty_workload",
      "name": "Bursty ShareGPT Workload",
      "difficulty": "medium",
      "trace_file": "traces/bursty_workload_trace.parquet",
      "arrival_rate_rps": 25.0,
      "burst_rate_rps": 80.0,
      "burst_every_steps": 12,
      "burst_length_steps": 3,
      "step_window_s": 5.0,
      "max_steps": 120,
      "slo_p99_ttft_ms": 300.0,
      "memory_cap_gb": 38.0,
      "cost_cap_per_1k": 0.0025,
      "priority_fraction": 0.05,
      "prompt_distribution": {
        "type": "trace_sample",
        "sample_file": "traces/sharegpt_prompt_lengths.parquet"
      }
    },
    {
      "id": "adversarial_multitenant",
      "name": "Adversarial Multi-Tenant Serving",
      "difficulty": "hard",
      "trace_file": "traces/adversarial_multitenant_trace.parquet",
      "arrival_rate_rps": 40.0,
      "arrival_pattern": "sinusoidal",
      "arrival_floor_rps": 5.0,
      "arrival_ceiling_rps": 200.0,
      "arrival_cycle_steps": 20,
      "burst_rate_rps": 200.0,
      "burst_every_steps": 15,
      "burst_length_steps": 4,
      "step_window_s": 6.0,
      "max_steps": 200,
      "slo_p99_ttft_ms": 200.0,
      "memory_cap_gb": 38.0,
      "cost_cap_per_1k": 0.0020,
      "priority_fraction": 0.20,
      "prompt_distribution": {
        "type": "bimodal",
        "long_fraction": 0.30,
        "short": {
          "min": 32,
          "max": 128
        },
        "long": {
          "min": 4096,
          "max": 8192
        }
      }
    }
  ]
}