[docker_wrapper] Set hard limit to requested memory

scripts/docker_wrapper.py

@@ -85,8 +85,8 @@ def main():
                 if arg=='memory':
                     # split memory argument in numbers (amount of memory) and characters (unit), first element is an empty string
                     _, request_memory, unit = re.split('(\d+)', val)
-                    docker_opts += ['--memory', "{}{}".format(int(request_memory)*2, unit)]
-                    docker_opts += ['--memory-swap', "{}{}".format(int(request_memory)*2, unit)]
+                    docker_opts += ['--memory', "{}{}".format(int(request_memory), unit)]
+                    docker_opts += ['--memory-swap', "{}{}".format(int(request_memory), unit)]
                     docker_opts += ['--memory-reservation',"{}{}".format(int(request_memory), unit)]
                     docker_opts += ['--memory-swappiness', "0"]
                 else: