I have a trans with low fee and takes long time and still 0 confirmations now
I want to find some " Replace-By-Fee" full node . Do you know anyone?
I believe you are looking for a miner that would accept an alternate transaction. Nodes can't guarantee that everyone would agree with your transaction that has a conflicting transaction in the mempool.
However, if you have opt-in RBF enabled, you can easily create another transaction that replaces the initial transaction. I believe that you don't have though. Do share your transaction and I can help you to look into it.
OR. some full node(servers) that only accept high fee trans.( So that they don't have my old trans in his memory pool, I can start the new)
As said, a single node accepting your transaction will not mean that the entire network would accept and relay your transaction. If a node don't have your transaction in their mempool, another node could have it and that node will not relay your transaction. Unless a miner don't have your transaction in their mempool, this won't work.