Size of tables registered tables in use by queries

Example Metric Record:

json
{
   "#repo" : "humio-metrics",
   "#type" : "metrics",
   "@host" : "71",
   "@id" : "E4JsyIw1U6bFCIC4H9anKvRC_3584_1541_1764664279",
   "@ingesttimestamp" : "1764664279554",
   "@timestamp" : 1764664279516,
   "@timestamp.nanos" : "0",
   "@timezone" : "UTC",
   "name" : "dynamic-table-reference-controller-size-of-tables-in-use-by-queries",
   "type" : "GAUGE",
   "value" : "0"
}