main.go

package main

import (
	"fmt"
	"log"
	"net/http"
	"net/http/pprof"
	"sync"
	"time"

	"github.com/gorilla/mux"
)

func main() {
	// we need a webserver to get the pprof webserver
	go func() {
		// Create a new router
		router := mux.NewRouter()
		// Register pprof handlers
		router.Handle("/debug/pprof/heap", pprof.Handler("heap"))
		log.Println(http.ListenAndServe("localhost:8080", router))
	}()
	fmt.Println("hello world")
	var wg sync.WaitGroup
	wg.Add(1)
	go leaks(wg)
	wg.Wait()
}

func leaks(wg sync.WaitGroup) {
	defer wg.Done()
	s := make([]string, 3)
	for i := 0; i < 10000000; i++ {
		s = append(s, "I am leaking memory")
		if (i % 100000) == 0 {
			time.Sleep(500 * time.Millisecond)
		}
	}
}