dumpMemoryProfile.go

// go tool pprof mem_profile.pprof
func dumpMemoryProfile() {
	memProfileFile, err := os.Create("mem_profile.pprof")
	if err != nil {
		log.Fatal("Could not create memory profile file: ", err)
	}
	defer memProfileFile.Close()

	err = pprof.WriteHeapProfile(memProfileFile)
	if err != nil {
		log.Fatal("Could not write memory profile: ", err)
	}

	log.Println("Memory profile written to mem_profile.pprof")
}

use the top command and web command top get details about memory usage