* @param ts
*/
public void transactionReduce(LocalTransaction ts, RpcCallback<TransactionReduceResponse> callback) {
// We only need to send over the transaction. The remote side should
// already have all the information that it needs about this txn
TransactionReduceRequest request = TransactionReduceRequest.newBuilder()
.setTransactionId(ts.getTransactionId())
.build();
PartitionSet partitions = ts.getPredictTouchedPartitions();
if (debug.val) {