public void queryKey(Get get, boolean verify, long keyToRead) throws IOException {
      // read the data

      long start = System.nanoTime();
      // Uses simple get
      Result result = table.get(get);
      long end = System.nanoTime();
      verifyResultsAndUpdateMetrics(verify, get, end - start, result, table, false);
    }
Should only be used for the concurrent writer/reader workload. The maximum key we are allowed
to read, subject to the "key window" constraint.
hbase-diagnostics/src/main/java/org/apache/hadoop/hbase/util/MultiThreadedReader.java