message: use full options in ChangeDB & FlushAll
diff: @@ -358,8 +358,13 @@ void PikaServer::DeleteSlave(int fd) {
  */
  bool PikaServer::ChangeDb(const std::string& new_path) {
  nemo::Options option;
  +
  option.write_buffer_size = g_pika_conf->write_buffer_size();
  option.target_file_size_base = g_pika_conf->target_file_size_base();
  + option.max_background_flushes = g_pika_conf->max_background_flushes();
  + option.max_background_compactions = g_pika_conf->max_background_compactions();
  + option.max_open_files = g_pika_conf->max_cache_files();
  + option.max_bytes_for_level_multiplier = g_pika_conf->max_bytes_for_level_multiplier();
  if (g_pika_conf->compression() == "none") {
  option.compression = false;
  }
  @@ -1295,6 +1300,10 @@ bool PikaServer::FlushAll() {
  nemo::Options option;
  option.write_buffer_size = g_pika_conf->write_buffer_size();
  option.target_file_size_base = g_pika_conf->target_file_size_base();
  + option.max_background_flushes = g_pika_conf->max_background_flushes();
  + option.max_background_compactions = g_pika_conf->max_background_compactions();
  + option.max_open_files = g_pika_conf->max_cache_files();
  + option.max_bytes_for_level_multiplier = g_pika_conf->max_bytes_for_level_multiplier();
  if (g_pika_conf->compression() == "none") {
  option.compression = false;
  }
  