* Collect responses, and reply when there are sufficient
* answers.
*/
LOG.debug("New response: " + rc);
if(rc == 0){
SubReadOp sRead = (SubReadOp) ctx;
ReadOp rOp = (ReadOp) sRead.op;
PendingReadOp pOp = sRead.pOp;
if(pOp != null){
HashSet<Integer> received = pOp.bookieIdRecv;
//if(!received.containsKey(entryId)){