Count queries currently queued or active on node for exports

Example Metric Record:

json
{
   "#repo" : "humio-metrics",
   "#type" : "metrics",
   "@host" : "191",
   "@id" : "AVThAjmzF5iq6zNoJ1Fy70jB_461_1370_1752397315",
   "@ingesttimestamp" : "1752397315639",
   "@timestamp" : 1752397315614,
   "@timestamp.nanos" : "0",
   "@timezone" : "UTC",
   "name" : "local-query-jobs-queue-exports-part",
   "type" : "GAUGE",
   "value" : "0"
}