for information, using web2py with python3 and gunicorn/meinheld, i am able to do 1000 queries per second using a redis backend and 1 key seek., in this case i set db to sqlite:memory.
GUNICORN_CMD_ARGS=" --workers=6 --worker-class=meinheld.gmeinheld.MeinheldWorker" python3 /..../web2py/anyserver.py -s gunicorn --workers=6 -i 0.0.0.0 -p 8000
meno male , lo testo subito...