zeph.metrics — io.gitlab.myst3m/zeph 0.3.1

Simple metrics collection for Zeph.

Provides counters, gauges, and histograms with no external dependencies.

Usage: (require '[zeph.metrics :as m])

;; Increment a counter (m/inc! :http/requests) (m/inc! :http/requests 5)

;; Register a gauge (m/gauge! :connections/active #(count @connections))

;; Record histogram values (m/record! :request/latency-ms elapsed)

;; Get all metrics (m/get-all)

;; Time a block of code (m/with-timer :db/query-ms (execute-query!))

clear! clj

(clear!)

Clear all metrics completely.

counter clj

(counter name)

Get current counter value.

dec! clj

(dec! name)

Decrement a counter by 1.

format-prometheus clj

(format-prometheus)

Format metrics in Prometheus text format.

gauge! clj

(gauge! name supplier-fn)

Register a gauge with a supplier function.

get-all clj

(get-all)

Get all metric values as a map.

get-counters clj

(get-counters)

Get all counter values.

get-gauges clj

(get-gauges)

Get all gauge values.

get-histograms clj

(get-histograms)

Get all histogram stats.

histogram clj

(histogram name)

Get histogram stats as a map.

inc! clj

(inc! name)

(inc! name delta)

Increment a counter by 1 or delta.

record! clj

(record! name value)

Record a value in a histogram.

record-connection! clj

(record-connection! event)

Record a connection event.

record-error! clj

(record-error!)

(record-error! error-type)

Record an error.

record-request! clj

(record-request!)

(record-request! status-code)

(record-request! status-code latency-ms)

Record an HTTP request with optional latency.

reset! clj

(reset!)

Reset all metrics (counters and histograms).

with-timer clj macro

(with-timer name & body)

Time a block of code and record to histogram.