{
  "base_count": 1000000000,
  "batch_size": 10000000,
  "dataset": "bigann1b",
  "groundtruth_policy": {
    "insufficient_candidates": "Emit .invalid.json marker; do not pad.",
    "source": "Filter static source GT in source-distance order through checkpoint live-owner maps.",
    "top_k": 10
  },
  "initial": {
    "groundtruth": "groundtruth/active_800m.bin",
    "index": "initial/index_800m_m32_efc500",
    "index_labels": "update_order.u32[0:800000000]",
    "live_count": 800000000,
    "state_id": "initial-800m"
  },
  "initial_count": 800000000,
  "package": "bigann-1b-batch-update-eval",
  "schema": "batch-update-eval-workload.v1",
  "static_initial": {
    "groundtruth_reference": "static-workload-reference.json#groundtruth.bin",
    "index_reference": "static-workload-reference.json#index_m_32_ef_500",
    "live_count": 1000000000,
    "state_id": "static-1b"
  },
  "traces": [
    {
      "batch_count": 20,
      "batches": "traces/insert-20/batches",
      "groundtruth": "traces/insert-20/groundtruth",
      "id": "insert-20",
      "initial_state": "initial-800m"
    },
    {
      "batch_count": 20,
      "batches": "traces/delete-20/batches",
      "groundtruth": "traces/delete-20/groundtruth",
      "id": "delete-20",
      "initial_state": "static-1b"
    },
    {
      "batch_count": 100,
      "batches": "traces/mixed-replace-100/batches",
      "groundtruth": "traces/mixed-replace-100/groundtruth",
      "id": "mixed-replace-100",
      "initial_state": "initial-800m"
    }
  ],
  "update_order": {
    "encoding": "uint32-le",
    "generator": "numpy.default_rng(seed).shuffle(uint32 arange)",
    "items": 1000000000,
    "path": "update_order.u32",
    "seed": 42
  }
}