Number of times an ingest queue consumer hit an empty queue while pushing to in-memory job queue for digest writers

Metric Nameingest-writer-queue-empty
Metric TypeMeter

Example Metric Record:

json
{
   "#repo" : "humio-metrics",
   "#type" : "metrics",
   "@host" : "71",
   "@id" : "E4JsyIw1U6bFCIC4H9anKvRC_3585_548_1764664339",
   "@ingesttimestamp" : "1764664339556",
   "@timestamp" : 1764664339516,
   "@timestamp.nanos" : "0",
   "@timezone" : "UTC",
   "count" : "3420086",
   "m1" : "14.940631880722217",
   "m15" : "10.974795977045549",
   "m5" : "11.785209318038538",
   "mean_rate" : "10.568847256340641",
   "name" : "ingest-writer-queue-empty",
   "rate_unit" : "underflows/second",
   "type" : "METER"
}