while (lhsReader.next()) {
if (rhsReader.next()) {
if (!lhsReader.getCurrentKey().equals(rhsReader.getCurrentKey())) {
LOG.info("MismatchedKeys: " + "lhs=" + lhsReader.getCurrentKey() + ", rhs=" + rhsReader.getCurrentKey());
lhsMissingKeyCounter.increment(1);
}
} else {
lhsMissingKeyCounter.increment(1);
LOG.info("ExtraKey in lhs: " + lhsReader.getClass());
break;