final int numberOfDataRecord = dataManager
.getNumberOfDataRecord();
LOGGER.info("total number of data record " + numberOfDataRecord
+ ", " + toPreserveSet.size() + " to preserve");
}
final Iterator<DataRecordIdentifier> iterator = dataManager
.dataRecordIterator();
garbageStartNotify();
while (iterator.hasNext()) {
final DataRecordIdentifier existing = iterator.next();
garbageManager.removeFromCandidateAndOrFromToGarbage(existing);