{
  "ab_accounting": {
    "best_bid_ask": {
      "boundary_dropped": 182,
      "class": "FULL",
      "exception_markets": 1188,
      "rows_b": 11116071,
      "rows_by_domain": {
        "b": 11116071,
        "c": 12133404,
        "e": 12108960,
        "h": 12130109
      },
      "rows_c": 12133404,
      "rows_e": 12108960,
      "rows_h": 12130109,
      "rows_joined": 12136318,
      "rows_merged": 12136136,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 2887,
            "1000_2000ms": 35370,
            "100_200ms": 608099,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 14931,
            "200_500ms": 239699,
            "20_50ms": 6163,
            "2_5ms": 0,
            "5000_10000ms": 7395,
            "500_1000ms": 73581,
            "50_100ms": 10127946,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 22717,
          "mean_ms": 88.49302644792391,
          "measurable": 11116071,
          "min_ms": 49,
          "p50_ms": 56.0,
          "p90_ms": 91.0,
          "p99_ms": 592.0,
          "rows": 11116071,
          "unmeasurable": 0,
          "won_output_rows": 74
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 810,
            "10000_30000ms": 0,
            "1000_2000ms": 438,
            "100_200ms": 46255,
            "10_20ms": 562609,
            "1_2ms": 468861,
            "2000_5000ms": 88,
            "200_500ms": 46567,
            "20_50ms": 274785,
            "2_5ms": 8705036,
            "5000_10000ms": 2,
            "500_1000ms": 7575,
            "50_100ms": 79130,
            "5_10ms": 1941248,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 6219,
          "mean_ms": 6.86638176722707,
          "measurable": 12133404,
          "min_ms": 0,
          "p50_ms": 3.0,
          "p90_ms": 8.0,
          "p99_ms": 79.0,
          "rows": 12133404,
          "unmeasurable": 0,
          "won_output_rows": 2931
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 9150,
            "1000_2000ms": 69510,
            "100_200ms": 710108,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 37124,
            "200_500ms": 338864,
            "20_50ms": 9468964,
            "2_5ms": 0,
            "5000_10000ms": 26602,
            "500_1000ms": 145804,
            "50_100ms": 1302834,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 29175,
          "mean_ms": 108.63796899155666,
          "measurable": 12108960,
          "min_ms": 35,
          "p50_ms": 43.0,
          "p90_ms": 114.0,
          "p99_ms": 1165.0,
          "rows": 12108960,
          "unmeasurable": 0,
          "won_output_rows": 12108836
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 4428,
            "100_200ms": 103153,
            "10_20ms": 9105992,
            "1_2ms": 0,
            "2000_5000ms": 2309,
            "200_500ms": 77446,
            "20_50ms": 2472283,
            "2_5ms": 0,
            "5000_10000ms": 663,
            "500_1000ms": 20466,
            "50_100ms": 343369,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 7589,
          "mean_ms": 26.057345403903625,
          "measurable": 12130109,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 30.0,
          "p99_ms": 172.0,
          "rows": 12130109,
          "unmeasurable": 0,
          "won_output_rows": 24295
        }
      }
    },
    "book": {
      "boundary_dropped": 86,
      "class": "FULL",
      "exception_markets": 188725,
      "rows_b": 883548,
      "rows_by_domain": {
        "b": 883548,
        "c": 132154,
        "e": 126413,
        "h": 157524
      },
      "rows_c": 132154,
      "rows_e": 126413,
      "rows_h": 157524,
      "rows_joined": 922062,
      "rows_merged": 921976,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 73755,
            "1000_2000ms": 15909,
            "100_200ms": 15435,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 31241,
            "200_500ms": 13617,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 32391,
            "500_1000ms": 11644,
            "50_100ms": 55454,
            "5_10ms": 0,
            "ge30000ms": 634102,
            "neg": 0
          },
          "max_ms": 8304957027,
          "mean_ms": 113937649.06729685,
          "measurable": 883548,
          "min_ms": 50,
          "p50_ms": 210948.0,
          "p90_ms": 26146869.0,
          "p99_ms": 2714980260.51,
          "rows": 883548,
          "unmeasurable": 0,
          "won_output_rows": 747370
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 738,
            "1000_2000ms": 386,
            "100_200ms": 1717,
            "10_20ms": 14223,
            "1_2ms": 293,
            "2000_5000ms": 800,
            "200_500ms": 1458,
            "20_50ms": 8086,
            "2_5ms": 47592,
            "5000_10000ms": 288,
            "500_1000ms": 279,
            "50_100ms": 3065,
            "5_10ms": 45939,
            "ge30000ms": 7290,
            "neg": 0
          },
          "max_ms": 8306087695,
          "mean_ms": 8378948.538379466,
          "measurable": 132154,
          "min_ms": 1,
          "p50_ms": 6.0,
          "p90_ms": 91.0,
          "p99_ms": 20037783.960000034,
          "rows": 132154,
          "unmeasurable": 0,
          "won_output_rows": 8732
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 3819,
            "1000_2000ms": 6742,
            "100_200ms": 13073,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 11027,
            "200_500ms": 9438,
            "20_50ms": 45407,
            "2_5ms": 0,
            "5000_10000ms": 8621,
            "500_1000ms": 6023,
            "50_100ms": 15156,
            "5_10ms": 0,
            "ge30000ms": 7107,
            "neg": 0
          },
          "max_ms": 990344084,
          "mean_ms": 2517400.1143948804,
          "measurable": 126413,
          "min_ms": 36,
          "p50_ms": 117.0,
          "p90_ms": 8273.600000000006,
          "p99_ms": 20971088.280000087,
          "rows": 126413,
          "unmeasurable": 0,
          "won_output_rows": 126379
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 3022,
            "1000_2000ms": 1958,
            "100_200ms": 8019,
            "10_20ms": 29044,
            "1_2ms": 0,
            "2000_5000ms": 1586,
            "200_500ms": 9175,
            "20_50ms": 56800,
            "2_5ms": 0,
            "5000_10000ms": 1188,
            "500_1000ms": 4407,
            "50_100ms": 14265,
            "5_10ms": 0,
            "ge30000ms": 28060,
            "neg": 0
          },
          "max_ms": 8306439015,
          "mean_ms": 29008595.39759021,
          "measurable": 157524,
          "min_ms": 15,
          "p50_ms": 40.0,
          "p90_ms": 923300.0,
          "p99_ms": 992299803.1899999,
          "rows": 157524,
          "unmeasurable": 0,
          "won_output_rows": 39495
        }
      }
    },
    "last_trade_price": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 102,
      "rows_b": 54188,
      "rows_by_domain": {
        "b": 54188,
        "c": 59789,
        "e": 57232,
        "h": 59759
      },
      "rows_c": 59789,
      "rows_e": 57232,
      "rows_h": 59759,
      "rows_joined": 59816,
      "rows_merged": 59816,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1598,
            "1000_2000ms": 3249,
            "100_200ms": 7310,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 4672,
            "200_500ms": 4794,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 2693,
            "500_1000ms": 2814,
            "50_100ms": 27058,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 22687,
          "mean_ms": 1238.8939802170223,
          "measurable": 54188,
          "min_ms": 52,
          "p50_ms": 100.0,
          "p90_ms": 3993.300000000003,
          "p99_ms": 13329.259999999995,
          "rows": 54188,
          "unmeasurable": 0,
          "won_output_rows": 5
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 9,
            "100_200ms": 1211,
            "10_20ms": 12234,
            "1_2ms": 0,
            "2000_5000ms": 11,
            "200_500ms": 549,
            "20_50ms": 10894,
            "2_5ms": 879,
            "5000_10000ms": 0,
            "500_1000ms": 63,
            "50_100ms": 2653,
            "5_10ms": 31286,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 4951,
          "mean_ms": 21.689942966097444,
          "measurable": 59789,
          "min_ms": 2,
          "p50_ms": 9.0,
          "p90_ms": 40.0,
          "p99_ms": 204.0,
          "rows": 59789,
          "unmeasurable": 0,
          "won_output_rows": 30
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 1540,
            "1000_2000ms": 3394,
            "100_200ms": 5649,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 5038,
            "200_500ms": 4626,
            "20_50ms": 14728,
            "2_5ms": 0,
            "5000_10000ms": 4074,
            "500_1000ms": 3329,
            "50_100ms": 14854,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 29222,
          "mean_ms": 1379.8397400055912,
          "measurable": 57232,
          "min_ms": 38,
          "p50_ms": 91.0,
          "p90_ms": 4899.0,
          "p99_ms": 14884.690000000002,
          "rows": 57232,
          "unmeasurable": 0,
          "won_output_rows": 57232
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 667,
            "100_200ms": 3963,
            "10_20ms": 2811,
            "1_2ms": 0,
            "2000_5000ms": 82,
            "200_500ms": 4765,
            "20_50ms": 38616,
            "2_5ms": 0,
            "5000_10000ms": 2,
            "500_1000ms": 2231,
            "50_100ms": 6622,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 6474,
          "mean_ms": 105.00110443615188,
          "measurable": 59759,
          "min_ms": 17,
          "p50_ms": 28.0,
          "p90_ms": 282.0,
          "p99_ms": 1097.4199999999983,
          "rows": 59759,
          "unmeasurable": 0,
          "won_output_rows": 2549
        }
      }
    },
    "market_resolved": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 1,
      "rows_b": 879,
      "rows_by_domain": {
        "b": 879,
        "c": 790,
        "e": 790,
        "h": 790
      },
      "rows_c": 790,
      "rows_e": 790,
      "rows_h": 790,
      "rows_joined": 918,
      "rows_merged": 918,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 87,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 1,
            "200_500ms": 79,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 58,
            "50_100ms": 530,
            "5_10ms": 0,
            "ge30000ms": 124,
            "neg": 0
          },
          "max_ms": 681940,
          "mean_ms": 62084.06484641638,
          "measurable": 879,
          "min_ms": 50,
          "p50_ms": 65.0,
          "p90_ms": 440676.0,
          "p99_ms": 651940.0,
          "rows": 879,
          "unmeasurable": 0,
          "won_output_rows": 124
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 4,
            "10_20ms": 30,
            "1_2ms": 16,
            "2000_5000ms": 0,
            "200_500ms": 9,
            "20_50ms": 20,
            "2_5ms": 606,
            "5000_10000ms": 0,
            "500_1000ms": 0,
            "50_100ms": 5,
            "5_10ms": 96,
            "ge30000ms": 4,
            "neg": 0
          },
          "max_ms": 62279,
          "mean_ms": 319.5227848101266,
          "measurable": 790,
          "min_ms": 1,
          "p50_ms": 3.0,
          "p90_ms": 8.0,
          "p99_ms": 229.62000000000057,
          "rows": 790,
          "unmeasurable": 0,
          "won_output_rows": 3
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 9,
            "100_200ms": 87,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 3,
            "200_500ms": 71,
            "20_50ms": 521,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 43,
            "50_100ms": 56,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 2320,
          "mean_ms": 136.54683544303796,
          "measurable": 790,
          "min_ms": 36,
          "p50_ms": 44.0,
          "p90_ms": 380.0,
          "p99_ms": 1145.4300000000003,
          "rows": 790,
          "unmeasurable": 0,
          "won_output_rows": 790
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 71,
            "10_20ms": 469,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 18,
            "20_50ms": 175,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 2,
            "50_100ms": 54,
            "5_10ms": 0,
            "ge30000ms": 1,
            "neg": 0
          },
          "max_ms": 61510,
          "mean_ms": 120.54303797468354,
          "measurable": 790,
          "min_ms": 15,
          "p50_ms": 18.0,
          "p90_ms": 111.10000000000002,
          "p99_ms": 283.97000000000037,
          "rows": 790,
          "unmeasurable": 0,
          "won_output_rows": 1
        }
      }
    },
    "new_market": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 0,
      "rows_b": 737,
      "rows_by_domain": {
        "b": 737,
        "c": 682,
        "e": 682,
        "h": 682
      },
      "rows_c": 682,
      "rows_e": 682,
      "rows_h": 682,
      "rows_joined": 1053,
      "rows_merged": 1053,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 87,
            "1000_2000ms": 4,
            "100_200ms": 121,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 276,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 20,
            "50_100ms": 153,
            "5_10ms": 0,
            "ge30000ms": 76,
            "neg": 0
          },
          "max_ms": 477498,
          "mean_ms": 32702.39620081411,
          "measurable": 737,
          "min_ms": 55,
          "p50_ms": 240.0,
          "p90_ms": 33742.799999999974,
          "p99_ms": 476790.92000000004,
          "rows": 737,
          "unmeasurable": 0,
          "won_output_rows": 86
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 101,
            "1000_2000ms": 0,
            "100_200ms": 54,
            "10_20ms": 67,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 114,
            "20_50ms": 163,
            "2_5ms": 2,
            "5000_10000ms": 2,
            "500_1000ms": 8,
            "50_100ms": 113,
            "5_10ms": 52,
            "ge30000ms": 6,
            "neg": 0
          },
          "max_ms": 59995,
          "mean_ms": 3132.573313782991,
          "measurable": 682,
          "min_ms": 4,
          "p50_ms": 69.0,
          "p90_ms": 15931.899999999983,
          "p99_ms": 26303.299999999814,
          "rows": 682,
          "unmeasurable": 0,
          "won_output_rows": 91
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 108,
            "1000_2000ms": 0,
            "100_200ms": 150,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 222,
            "20_50ms": 27,
            "2_5ms": 0,
            "5000_10000ms": 2,
            "500_1000ms": 19,
            "50_100ms": 149,
            "5_10ms": 0,
            "ge30000ms": 5,
            "neg": 0
          },
          "max_ms": 60740,
          "mean_ms": 3530.5777126099706,
          "measurable": 682,
          "min_ms": 40,
          "p50_ms": 207.5,
          "p90_ms": 18500.399999999994,
          "p99_ms": 28035.92999999998,
          "rows": 682,
          "unmeasurable": 0,
          "won_output_rows": 682
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 89,
            "1000_2000ms": 0,
            "100_200ms": 190,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 118,
            "20_50ms": 150,
            "2_5ms": 0,
            "5000_10000ms": 2,
            "500_1000ms": 0,
            "50_100ms": 127,
            "5_10ms": 0,
            "ge30000ms": 6,
            "neg": 0
          },
          "max_ms": 80582,
          "mean_ms": 3189.7888563049855,
          "measurable": 682,
          "min_ms": 20,
          "p50_ms": 129.5,
          "p90_ms": 14019.099999999999,
          "p99_ms": 29238.609999999964,
          "rows": 682,
          "unmeasurable": 0,
          "won_output_rows": 194
        }
      }
    },
    "price_change": {
      "boundary_dropped": 1904,
      "class": "FULL",
      "exception_markets": 466,
      "rows_b": 87564030,
      "rows_by_domain": {
        "b": 87564030,
        "c": 95893740,
        "e": 95436946,
        "h": 95882546
      },
      "rows_c": 95893740,
      "rows_e": 95436946,
      "rows_h": 95882546,
      "rows_joined": 95916696,
      "rows_merged": 95914792,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 229608,
            "1000_2000ms": 637268,
            "100_200ms": 5419334,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 730918,
            "200_500ms": 2353228,
            "20_50ms": 26916,
            "2_5ms": 0,
            "5000_10000ms": 465472,
            "500_1000ms": 859528,
            "50_100ms": 76841758,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 22780,
          "mean_ms": 186.18344266475629,
          "measurable": 87564030,
          "min_ms": 49,
          "p50_ms": 56.0,
          "p90_ms": 120.0,
          "p99_ms": 3939.0,
          "rows": 87564030,
          "unmeasurable": 0,
          "won_output_rows": 3646
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 2154,
            "10000_30000ms": 0,
            "1000_2000ms": 4108,
            "100_200ms": 410746,
            "10_20ms": 3263368,
            "1_2ms": 3069946,
            "2000_5000ms": 364,
            "200_500ms": 477540,
            "20_50ms": 2009258,
            "2_5ms": 72256816,
            "5000_10000ms": 24,
            "500_1000ms": 74914,
            "50_100ms": 637400,
            "5_10ms": 13687102,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 6756,
          "mean_ms": 7.180760464655982,
          "measurable": 95893740,
          "min_ms": 0,
          "p50_ms": 3.0,
          "p90_ms": 7.0,
          "p99_ms": 101.0,
          "rows": 95893740,
          "unmeasurable": 0,
          "won_output_rows": 18484
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 317588,
            "1000_2000ms": 815282,
            "100_200ms": 6293514,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 947508,
            "200_500ms": 3033772,
            "20_50ms": 70023560,
            "2_5ms": 0,
            "5000_10000ms": 625684,
            "500_1000ms": 1232898,
            "50_100ms": 12147140,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 29312,
          "mean_ms": 207.10890720455367,
          "measurable": 95436946,
          "min_ms": 35,
          "p50_ms": 43.0,
          "p90_ms": 140.0,
          "p99_ms": 4941.0,
          "rows": 95436946,
          "unmeasurable": 0,
          "won_output_rows": 95435594
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 95008,
            "100_200ms": 1105859,
            "10_20ms": 72304568,
            "1_2ms": 0,
            "2000_5000ms": 25128,
            "200_500ms": 956993,
            "20_50ms": 18218468,
            "2_5ms": 0,
            "5000_10000ms": 4324,
            "500_1000ms": 324244,
            "50_100ms": 2847954,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 7633,
          "mean_ms": 29.58866588711568,
          "measurable": 95882546,
          "min_ms": 14,
          "p50_ms": 18.0,
          "p90_ms": 32.0,
          "p99_ms": 289.0,
          "rows": 95882546,
          "unmeasurable": 0,
          "won_output_rows": 457068
        }
      }
    },
    "tick_size_change": {
      "boundary_dropped": 0,
      "class": "FULL",
      "exception_markets": 102,
      "rows_b": 3388,
      "rows_by_domain": {
        "b": 3388,
        "c": 3796,
        "e": 3796,
        "h": 3796
      },
      "rows_c": 3796,
      "rows_e": 3796,
      "rows_h": 3796,
      "rows_joined": 3796,
      "rows_merged": 3796,
      "witness_latency": {
        "b": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 4,
            "100_200ms": 158,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 156,
            "20_50ms": 0,
            "2_5ms": 0,
            "5000_10000ms": 0,
            "500_1000ms": 71,
            "50_100ms": 2999,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 1012,
          "mean_ms": 86.38636363636364,
          "measurable": 3388,
          "min_ms": 50,
          "p50_ms": 56.0,
          "p90_ms": 124.0,
          "p99_ms": 591.0,
          "rows": 3388,
          "unmeasurable": 0
        },
        "c": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 0,
            "100_200ms": 48,
            "10_20ms": 93,
            "1_2ms": 136,
            "2000_5000ms": 0,
            "200_500ms": 24,
            "20_50ms": 92,
            "2_5ms": 2746,
            "5000_10000ms": 0,
            "500_1000ms": 4,
            "50_100ms": 48,
            "5_10ms": 605,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 512,
          "mean_ms": 9.512381454162275,
          "measurable": 3796,
          "min_ms": 1,
          "p50_ms": 3.0,
          "p90_ms": 8.0,
          "p99_ms": 163.0,
          "rows": 3796,
          "unmeasurable": 0
        },
        "e": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 8,
            "100_200ms": 500,
            "10_20ms": 0,
            "1_2ms": 0,
            "2000_5000ms": 12,
            "200_500ms": 111,
            "20_50ms": 2679,
            "2_5ms": 0,
            "5000_10000ms": 4,
            "500_1000ms": 52,
            "50_100ms": 430,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 7707,
          "mean_ms": 97.51738672286618,
          "measurable": 3796,
          "min_ms": 36,
          "p50_ms": 43.0,
          "p90_ms": 121.0,
          "p99_ms": 691.0,
          "rows": 3796,
          "unmeasurable": 0,
          "won_output_rows": 3796
        },
        "h": {
          "buckets_ms": {
            "0_1ms": 0,
            "10000_30000ms": 0,
            "1000_2000ms": 4,
            "100_200ms": 25,
            "10_20ms": 2729,
            "1_2ms": 0,
            "2000_5000ms": 0,
            "200_500ms": 53,
            "20_50ms": 878,
            "2_5ms": 0,
            "5000_10000ms": 4,
            "500_1000ms": 24,
            "50_100ms": 79,
            "5_10ms": 0,
            "ge30000ms": 0,
            "neg": 0
          },
          "max_ms": 5297,
          "mean_ms": 35.91043203371971,
          "measurable": 3796,
          "min_ms": 15,
          "p50_ms": 18.0,
          "p90_ms": 37.0,
          "p99_ms": 304.0,
          "rows": 3796,
          "unmeasurable": 0
        }
      }
    }
  },
  "archive_root": "union-staging",
  "boundary_guard": "cache",
  "bytes": 1125340516,
  "file": "2026-09-03T01.parquet",
  "generated_by": "tools/orderbook_ab/merge_ab.py",
  "hour": "2026-09-03/01",
  "hour_utc": "2026-09-03T01:00:00+00:00",
  "layout": "union-event-sorted-v1",
  "max_sequence": 162411061638731663,
  "merger_git_sha": "4b62fc9b20e966fbf2a7877895dbf6e0f609dfb6",
  "min_sequence": 281489608907870,
  "products": {
    "best_bid_ask": {
      "byte_range": [
        4,
        133940158
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "best_bid",
        "best_ask",
        "spread",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 162411061627671550,
      "min_sequence": 281489608907954,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 12136136,
      "row_groups": [
        0,
        46
      ],
      "sha256": "11eca28ce4fe47ad1c87094916166044f04b5d8c4a10afd42bd9f9d5e04c2c10"
    },
    "book": {
      "byte_range": [
        133940158,
        199108649
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "bids",
        "asks",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 162411061637854137,
      "min_sequence": 281489608915013,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 921976,
      "row_groups": [
        47,
        50
      ],
      "sha256": "a4a4f07de9b075f42e7fb27ed2cc0c56041606caf90580568925fa43dd8922cc"
    },
    "last_trade_price": {
      "byte_range": [
        199108649,
        202435124
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "fee_rate_bps",
        "transaction_hash",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 162411061583767194,
      "min_sequence": 281489608915287,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 59816,
      "row_groups": [
        51,
        51
      ],
      "sha256": "95ad8a29b7ab6cfc04c109b0558611645f1b6fb9d9b0aae9effeb9ae60610081"
    },
    "market_resolved": {
      "byte_range": [
        202435124,
        202564251
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "winning_asset_id",
        "winning_outcome",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 162411061565671500,
      "min_sequence": 281489609825391,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 918,
      "row_groups": [
        52,
        52
      ],
      "sha256": "1ee92fdfcadbe53b708818c8bf8a44b094d5f9c9d2df83b71bfc06c1741d822d"
    },
    "new_market": {
      "byte_range": [
        202564251,
        202673189
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "id",
        "assets_ids",
        "outcomes",
        "question",
        "slug",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 162411061627972551,
      "min_sequence": 281489609257063,
      "order_by": [
        "market",
        "id",
        "timestamp",
        "sequence"
      ],
      "row_count": 1053,
      "row_groups": [
        53,
        53
      ],
      "sha256": "466f50482df4a69ab248ef6a9a9e0f059d6a18bbc5661aad75c789ada9c7f8af"
    },
    "price_change": {
      "byte_range": [
        202673189,
        1123960253
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "price",
        "size",
        "side",
        "best_bid",
        "best_ask",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 162411061638731663,
      "min_sequence": 281489608907870,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 95914792,
      "row_groups": [
        54,
        419
      ],
      "sha256": "79ac8a4598acb1f5efaeba1d45ff5c4f1dc4af8d2aa0444db9dfb90b7919675c"
    },
    "tick_size_change": {
      "byte_range": [
        1123960253,
        1124099589
      ],
      "columns": [
        "timestamp_received",
        "sequence",
        "timestamp",
        "market",
        "asset_id",
        "old_tick_size",
        "new_tick_size",
        "witness_set",
        "arrival_skew",
        "source_witness"
      ],
      "max_sequence": 281489715110577,
      "min_sequence": 281489610261361,
      "order_by": [
        "market",
        "asset_id",
        "timestamp",
        "sequence"
      ],
      "row_count": 3796,
      "row_groups": [
        420,
        420
      ],
      "sha256": "32a044c127d240297bf996cf32d19985d60ccd4ba3faf891dedbf9c2ff365a9f"
    }
  },
  "row_count": 109038487,
  "sequence_note": "sequence and timestamp_received are collector-local provenance; where domains carry the same row, the merge keeps the LAST ACTIVE domain's values -- for this hour, domain e (active: b, c, h, e)",
  "sha256": "47a88b2eec68a55a8992a3ec1dcbf0a5ae9e4821fd5e9689276f2b256c15e4e9",
  "verification": {
    "note": "A range digest certifies BYTES. That those bytes are that product comes from this manifest and is cross-checkable against the Parquet footer, which is inside the whole-file sha256.",
    "primary": "sha256sum <file> == .sha256",
    "secondary": "curl -r <start>-<end-1> <url> | sha256sum == .products.<name>.sha256"
  },
  "witness_stats": "2026-09-03T01.witness_stats.json",
  "witnesses": "bche",
  "served_verbatim": true,
  "served_note": "This hour is the merger's union file, published byte for byte. Hours before the era cutover are rebuilt here from the seven product files and carry one column fewer."
}
