Do server-sided scripts affect player's lag/memory?

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#1

Do server-sided scripts affect player’s lag/memory?
I’m not talking about the cases when the stuff that is being done on the server side is also being replicted to the client side.

For example, I create a table in the server script to keep some info. Would it affect clients?

#2

If something from the server is replicated to the client side, then yes it can affect the player’s memory.

#3

if the server fps is low then that would affect clients by increasing their ping