{
  "kind": "benchmark_record",
  "id": "teleion.benchmarks/swarm-256-workers-2026-10",
  "recorded_on": "2026-10-30",
  "title": "Local queue workflow, 256-slot concurrency, and fault-injection measurements",
  "setup": "4 local Worker/SQLite cells (q01..q16 queues): separate 16-pipeline workflow test, 5-tier concurrency test up to 256 slots, and controlled fault-injection suite",
  "workflow_run": {
    "concurrent_pipelines": 16,
    "generated_workflows": 1000,
    "active_identities": 256,
    "mcp_jsonrpc_calls": 25620,
    "median_call_duration_ms": 54.441,
    "p95_call_duration_ms": 145.205,
    "cli_wave_exited_zero": 10,
    "cli_wave_runtime_verified": 9
  },
  "concurrency_run": {
    "tiers_completed_tasks_total": 992,
    "largest_tier_worker_slots": 256,
    "largest_tier_completed_tasks": 512,
    "largest_tier_mcp_calls": 1792,
    "largest_tier_median_call_duration_ms": 678.99,
    "largest_tier_p95_call_duration_ms": 1354.95,
    "duplicate_cell_task_fencing_tuples": 0
  },
  "fault_injection": {
    "expired_lease_recovery_cases": 16,
    "stale_heartbeat_and_submit_http_409": 16,
    "direct_self_approval_refusals_http_403": 16,
    "role_and_queue_capability_refusals_http_403": 16
  },
  "notes": [
    "Separates the 16-pipeline local workflow run (54.441 ms median across 25,620 MCP calls) from the 5-tier concurrency run (512 Tasks in the 256-slot tier, 992 Tasks across all 5 tiers, 0 duplicate lease tuples).",
    "Controlled local recovery checks verified 16 of 16 expired-lease reassignments (fencing token 2) with HTTP 409 on stale heartbeats and submissions, plus 16 direct self-approval and 16 capability HTTP 403 refusals.",
    "All test workflows used generated test payloads with zero private information."
  ]
}