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" : "217",
   "@id" : "SI4q0IXB1I5Wwds4Jlh2Uy4L_355_1416_1759654878",
   "@ingesttimestamp" : "1759654878757",
   "@timestamp" : 1759654878640,
   "@timestamp.nanos" : "0",
   "@timezone" : "UTC",
   "count" : "2314913",
   "m1" : "24.02458561739843",
   "m15" : "24.015597230483166",
   "m5" : "23.782627525218768",
   "mean_rate" : "23.56111275435821",
   "name" : "ingest-writer-queue-empty",
   "rate_unit" : "underflows/second",
   "type" : "METER"
}