Always return false when asked if we need to resize memory map

src/blockchain_db/lmdb/db_lmdb.cpp

@@ -512,52 +512,7 @@ void BlockchainLMDB::do_resize(uint64_t increase_size)
 bool BlockchainLMDB::need_resize(uint64_t threshold_size) const
 {
   LOG_PRINT_L3("BlockchainLMDB::" << __func__);
-#if defined(ENABLE_AUTO_RESIZE)
-  MDB_envinfo mei;
-
-  mdb_env_info(m_env, &mei);
-
-  MDB_stat mst;
-
-  mdb_env_stat(m_env, &mst);
-
-  // size_used doesn't include data yet to be committed, which can be
-  // significant size during batch transactions. For that, we estimate the size
-  // needed at the beginning of the batch transaction and pass in the
-  // additional size needed.
-  uint64_t size_used = mst.ms_psize * mei.me_last_pgno;
-
-  LOG_PRINT_L1("DB map size:     " << mei.me_mapsize);
-  LOG_PRINT_L1("Space used:      " << size_used);
-  LOG_PRINT_L1("Space remaining: " << mei.me_mapsize - size_used);
-  LOG_PRINT_L1("Size threshold:  " << threshold_size);
-  float resize_percent_old = RESIZE_PERCENT;
-  LOG_PRINT_L1(boost::format("Percent used: %.04f  Percent threshold: %.04f") % ((double)size_used/mei.me_mapsize) % resize_percent_old);
-
-  if (threshold_size > 0)
-  {
-    if (mei.me_mapsize - size_used < threshold_size)
-    {
-      LOG_PRINT_L1("Threshold met (size-based)");
-      return true;
-    }
-    else
-      return false;
-  }
-
-  std::mt19937 engine(std::random_device{}());
-  std::uniform_real_distribution<double> fdis(0.6, 0.9);
-  double resize_percent = fdis(engine);
-
-  if ((double)size_used / mei.me_mapsize  > resize_percent)
-  {
-    LOG_PRINT_L1("Threshold met (percent-based)");
-    return true;
-  }
   return false;
-#else
-  return false;
-#endif
 }
 
 void BlockchainLMDB::check_and_resize_for_batch(uint64_t batch_num_blocks, uint64_t batch_bytes)