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" : "41",
   "@id" : "Y3hehJLWIC08HrPzpGr145yP_7472_365_1749373217",
   "@ingesttimestamp" : "1749373217810",
   "@timestamp" : 1749373217787,
   "@timestamp.nanos" : "0",
   "@timezone" : "UTC",
   "count" : "23463899",
   "m1" : "15.37808707965014",
   "m15" : "16.06326980291316",
   "m5" : "15.308581512955358",
   "mean_rate" : "15.773604934777497",
   "name" : "ingest-writer-queue-empty",
   "rate_unit" : "underflows/second",
   "type" : "METER"
}