Thus far I've been primarily relying on one key calls, however I'd like to reduce the number of calls and thus batch request for the needed keys. My question: To what extent would the cost of an array of the keys you only need compare to just getting all keys (keys: null) and then selecting only those you need from the data batch?
I guess to further understand, is the cost of a call only derived from sending between client and server, or does merely calling for the keys within cloud script also have a significant (if any) cost?
Apologies ahead of time if this seems silly to those more versed, trying to determine the optimal methodology. Intuition tells me specific key selection, while more manage intensive, is probably more optimal.
