// Performance Counter demo schema that utilizes tuples.
{
  "schemas": [
    {
      "name": "Coord",
      "id": 2,
      "type": "schema",
      "properties": [
        { "path": "lat", "type": { "type": "int64", "storage": "fixed" } },
        { "path": "lng", "type": { "type": "int64", "storage": "fixed" } }
      ]
    },
    {
      "name": "Counters",
      "id": 1,
      "type": "schema",
      "partitionkeys": [{ "path": "name" }],
      "properties": [
        { "path": "name", "type": { "type": "utf8", "storage": "variable" } },
        {
          "path": "value",
          "type": {
            "type": "tuple",
            "immutable": true,
            "items": [{ "type": "utf8", "nullable": false }, { "type": "int64", "nullable": false }]
          }
        },
        {
          "path": "minmeanmax",
          "type": {
            "type": "tuple",
            "immutable": true,
            "items": [
              { "type": "utf8", "nullable": false },
              {
                "type": "tuple",
                "nullable": false,
                "items": [
                  { "type": "int64", "nullable": false },
                  { "type": "int64", "nullable": false },
                  { "type": "int64", "nullable": false }
                ]
              }
            ]
          }
        },
        {
          "path": "coord",
          "type": {
            "type": "tuple",
            "immutable": true,
            "items": [{ "type": "utf8", "nullable": false }, { "type": "schema", "name": "Coord", "nullable": false }]
          }
        }
      ]
    },
    {
      "name": "CounterSet",
      "id": 3,
      "type": "schema",
      "properties": [
        {
          "path": "history",
          "type": {
            "type": "array",
            "items": { "type": "schema", "name": "Counters", "nullable": false }
          }
        }
      ]
    }
  ]
}