A system, method, and computer readable article of manufacture for sharing buffer management. The system includes: a predictor module to predict at runtime a transaction data size of a transaction according to history information of the transaction; and a resource management module to allocate sharing buffer resources for the transaction according to the predicted transaction data size in response to beginning of the transaction, to record an actual sharing buffer size occupied by the transaction in response to the successful commitment of the transaction, and to update the history information of the transaction.