Spin up a pprof web server and print some RAM stats too

profiling.go

_ "net/http/pprof"

go func() {
  for _ = range time.Tick(time.Duration(10) * time.Second) {
    fmt.Printf("Number of goroutines: %d\n", runtime.NumGoroutine())
    var m runtime.MemStats
    runtime.ReadMemStats(&m)
    fmt.Printf("heap in use: %v\n", m.HeapInuse)
    fmt.Printf("heap alloc: %v\n", m.HeapAlloc)
    fmt.Printf("next GC: %v\n", m.NextGC)
  }
}()

go func() {
  log.Println(http.ListenAndServe("localhost:6060", nil))
}()