default List<HRegionLocation> getRegionLocations(byte[] row) throws IOException {
    return getRegionLocations(row, false);
  }
Find all the replicas for the region on which the given row is being served.
@param row Row to find.
@return Locations for all the replicas of the row.
@throws IOException if a remote or network exception occurs
hbase-client/src/main/java/org/apache/hadoop/hbase/client/RegionLocator.java