https://stackoverflow.com/questions/6317818/eat-memory-using-python
python3 -c 'import time; x=bytearray(8*(1024**3)); time.sleep(5); print("ok");'
https://stackoverflow.com/questions/6317818/eat-memory-using-python
python3 -c 'import time; x=bytearray(8*(1024**3)); time.sleep(5); print("ok");'