In current setup we reject upload only if it cannot be pushed to db which is good and cover a lot of cases (e.g. race conditions) but sometimes there are many requests coming to backend in very short time - for those we want to reject upload requests as early as possible to save some resources on server.
In current setup we reject upload only if it cannot be pushed to db which is good and cover a lot of cases (e.g. race conditions) but sometimes there are many requests coming to backend in very short time - for those we want to reject upload requests as early as possible to save some resources on server.