Flower is a tool used to monitor celery tasks. It shows details per worker and also graphs in a monitor page. The flower status page is shown below after start.
10 different threads are used to post 1 M fibonacci tasks. Ids of submitted tasks are stored and results later retrieved based on these. The same screen after 1 M tasks have finished is shown below.
At the point where all the tasks had succeeded cProfile run at the client shows
The function calls also include calls for most of the results but not all.