protected Result getRow(Get get, long rowKeyBase, byte[] cf) {
      Result result = null;
      try {
        result = table.get(get);
      } catch (IOException ie) {
        LOG.warn("Failed to get the row for key = [" + Bytes.toString(get.getRow())
          + "], column family = [" + Bytes.toString(cf) + "]", ie);
      }
      return result;
    }
Use batch vs. separate updates for every column in a row
hbase-diagnostics/src/main/java/org/apache/hadoop/hbase/util/MultiThreadedUpdater.java