CounterGroup g = counters.getGroup("undef");
Iterator<Counter> it = g.iterator();
while (it.hasNext()) {
String keyString = it.next().getName();
byte[] key = Bytes.toBytes(keyString);
HRegionLocation loc = conn.relocateRegion(tableName, key);
LOG.error("undefined row " + keyString + ", " + loc);
}
g = counters.getGroup("unref");
it = g.iterator();
while (it.hasNext()) {