Method DumpMetaTableToFile

src/master/tablet_manager.cc:1692–1728

}

bool TabletManager::DumpMetaTableToFile(const std::string& filename, StatusCode* status) {
  std::ofstream ofs(filename.c_str(), std::ofstream::binary | std::ofstream::trunc);
  if (!ofs.is_open()) {
    LOG(WARNING) << "fail to open file " << filename << " for write";
    SetStatusCode(kIOError, status);
    return false;
  }

  // get all table and tablet meta
  std::vector<TablePtr> table_list;
  std::vector<TabletPtr> tablet_list;
  ShowTable(&table_list, &tablet_list);

  // dump table meta
  for (size_t i = 0; i < table_list.size(); i++) {
    TablePtr table = table_list[i];
    std::string key, value;
    table->ToMetaTableKeyValue(&key, &value);
    WriteToStream(ofs, key, value);
  }

  // dump tablet meta
  for (size_t i = 0; i < tablet_list.size(); i++) {
    TabletPtr tablet = tablet_list[i];
    std::string key, value;
    tablet->ToMetaTableKeyValue(&key, &value);
    WriteToStream(ofs, key, value);
  }

  if (ofs.fail()) {
    LOG(WARNING) << "fail to write to file " << filename;
    SetStatusCode(kIOError, status);
    return false;
  }
  ofs.close();
  return true;
}

void TabletManager::LoadTableMeta(const std::string& key, const std::string& value) {
  TableMeta meta;