Method ReadRandom

src/leveldb/benchmarks/db_bench.cc:767–783

  }

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

  void ReadMissing(ThreadState* thread) {
    ReadOptions options;