Let TA be a transaction that has aborted several times in a row, with Ti total transactions in the system. Suppose that the contention manager gives TA two options: • Block new transactions from...

Let TA be a transaction that has aborted several times in a row, with Ti total transactions in the system. Suppose that the contention manager gives TA two options:

• Block new transactions from starting, wait for all current transactions to commit, and then begin.

• Block new transactions from starting, and begin immediately. Which option would you favor? Why? It might help to consider specific work load characteristics in justifying your answer.