The metrics agent sends raw points to the zag-daemons where they will be aggregated.
var agent = /* list of all metrics daemon "address:ports" */
Increment a counter.
Increment a counter by a specific value.
Track a distribution of values. All histograms automatically get a heat map.
Often times all of the metrics in a particular module should be scoped under
the same key.
#scope(key) returns a
MetricsAgent that automatically prepends
var latency = agentscope"http_latency"// This is the same as `agent.counter("http_latency>/index.html")`:latency
.close()ing a scoped agent will close the parent agent (they share a socket).
The socket emitted an error.
Close the socket.