Code Explainers

Code explainers tagged #metrics

python 
from flask import Flask, request, Response
from prometheus_client import Counter, Histogram, generate_latest, CONTENT_TYPE_LATEST
import time
 

Instrumenting a Flask app with Prometheus

metrics observability middleware
Intermediate 6 steps
rust 
use std::time::Instant;
 
use axum::{
    body::Body,

Prometheus request metrics in Axum

middleware observability prometheus
Intermediate 7 steps
go 
package middleware
 
import (
	"strconv"

Instrumenting a Gin API with Prometheus

middleware observability metrics
Intermediate 6 steps
java 
@Service
public class OrderMetricsService {
 
    private final MeterRegistry registry;

Instrumenting orders with Micrometer in Spring

metrics micrometer observability
Intermediate 8 steps
go 
package metrics
 
import (
	"sync/atomic"

A lock-free request counter in Go

concurrency atomics lock-free
Intermediate 6 steps