document the default CELERYD_CONCURRENCY and CELERYD_PREFETCH_MULTIPLIER values
document the default CELERYD_CONCURRENCY and CELERYD_PREFETCH_MULTIPLIER values

frac/celery,WoLpH/celery,ask/celery,frac/celery,ask/celery,WoLpH/celery,cbrepo/celery,cbrepo/celery