Age of the oldest complete cache entry that has not been reused or deleted yet. As the cache drops the least recently used this is the age of the next item to be dropped from the cache

Metric Namequerycache-complete-max-age
Metric TypeGauge
Introduced Version1.205
Standard Fields for this Metric  
@hostVHost ID 
@idA unique identifier for the event. Can be used to refer to and re-find specific events. 
@ingesttimestampThe timestamp of when the event was ingested. The value is milliseconds-since-epoch. 
@timestampTimestamp in milliseconds since the epoch (1st Jan 1970, 00:00) of the event, e.g. 2022-11-22 09:50:20.100 if the event has an identifiable timestamp. 
@timestamp.nanosExtended precision of timestamp below millisecond. E.g. 295000 
@timezoneThe timezone the event originated in, if known. 
nameName of metric 
typeMetric type 
valueValue for metric 

Example Metric Record:

json
{
   "#repo" : "humio-metrics",
   "#type" : "metrics",
   "@host" : "74",
   "@id" : "jOycnKGH6AuidsJlGtY4lh64_18196_146_1769331729",
   "@ingesttimestamp" : "1769331729829",
   "@timestamp" : 1769331729787,
   "@timestamp.nanos" : "0",
   "@timezone" : "UTC",
   "name" : "querycache-complete-max-age",
   "type" : "GAUGE",
   "value" : "0"
}