and sent to queue worker worker worker worker worker 2 pull job and consume it Result Queue 3 send result to another queue 4 feed back to data aggregator pull result
and sent to queue worker worker worker worker worker 2 pull job and consume it Result Queue 3 send result to another queue 4 aggregator pull result make report
job and consume it Result Queue 3 update video where id=? set width=?, height=?, codec=? video table {id, url, how-to-parse} {id, width, height, codec} 4 aggregator pull result