Method ReadMissing

src/leveldb/benchmarks/db_bench.cc:785–795

  }

  void ReadMissing(ThreadState* thread) {
    ReadOptions options;
    std::string value;
    for (int i = 0; i < reads_; i++) {
      char key[100];
      const int k = thread->rand.Next() % FLAGS_num;
      snprintf(key, sizeof(key), "%016d.", k);
      db_->Get(options, key, &value);
      thread->stats.FinishedSingleOp();
    }
  }

  void ReadHot(ThreadState* thread) {
    ReadOptions options;