Histogram

User Guide | Data Model

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Histogram

The Histogram object encapsulates raw buckets count information that can be associated with a time series.

Name	Type	Description
scope	string	The scope of the histogram.
metric	string	The metric name of the time series associated with the histogram.
tags	map<string,string>	A map of tag key value pairs for the histogram.
timestamp	long	The epoch timestamp at which the histogram count was computed.
buckets	map<<float , float>,long>	buckets key is a tuple made of <upper , lower bound> of type float each. buckets value is count of type long.
overflow	long	Optional, if count value falls above the highest bucket upper bound.
underflow	long	Optional, if count value falls below the lowest bucket lower bound.

Example Histogram Entity:

{
   "scope":"scope",
   "metric":"query.latency",
   "timestamp":1537804800000,
   "overflow":1,
   "underflow":0,
   "buckets":{
      "0,50":100,
      "50,100":60,
      "100,300":25,
      "300,1000":10,
      "1000,10000":5
   },
   "tags":{  
      "endpoint":"/api1",
      "version":"v1",
      "device":"device1-1"
   }
}