When we receive a message the prefetch window is increased, when we accept the task for processing internally we decrease the prefetch window.
When we receive a message the prefetch window is increased, when we accept the
task for processing internally we decrease the prefetch window.

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