Hello everebody! Pls i need to your advise. I need to allows a number of flow-files together into a single flow-file with use general key. For example, i have two flow-files with next attributes: manager_name = John Dow costumer_info = Matt Damon costumer_location = LA and manager_name = John Dow costumer_info = Tony Stark costumer_location = LA Next, I need to recieve single flow-file with count result of the flow-files with general key = John Dow Finally single flow-file whith attributes: manager_name = John Dow total = 2 How i can do it in nifi?
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