Method loadSettingsFromConfig

src/Core/ServerSettings.cpp:1746–1785

};

void ServerSettingsImpl::loadSettingsFromConfig(const Poco::Util::AbstractConfiguration & config)
{
    // settings which can be loaded from the the default profile, see also MAKE_DEPRECATED_BY_SERVER_CONFIG in src/Core/Settings.h
    std::unordered_set<std::string> settings_from_profile_allowlist = {
        "background_pool_size",
        "background_merges_mutations_concurrency_ratio",
        "background_merges_mutations_scheduling_policy",
        "background_move_pool_size",
        "background_fetches_pool_size",
        "background_common_pool_size",
        "background_buffer_flush_schedule_pool_size",
        "background_schedule_pool_size",
        "background_message_broker_schedule_pool_size",
        "background_distributed_schedule_pool_size",

        "max_remote_read_network_bandwidth_for_server",
        "max_remote_write_network_bandwidth_for_server",
        "max_local_read_bandwidth_for_server",
        "max_local_write_bandwidth_for_server",
    };

    for (const auto & setting : all())
    {
        const auto & name = setting.getName();
        String path {setting.getPath()};
        const String * path_or_name = path.empty() ? &name : &path;
        try
        {
            if (config.has(*path_or_name))
                set(name, config.getString(*path_or_name));
            else if (settings_from_profile_allowlist.contains(name) && config.has("profiles.default." + *path_or_name))
                set(name, config.getString("profiles.default." + *path_or_name));
        }
        catch (Exception & e)
        {
            e.addMessage("while parsing setting '{}' value", name);
            throw;
        }
    }
}

IMPLEMENT_SETTINGS_TRAITS_WITH_PATH_CUSTOM_IMPL(ServerSettingsTraits, LIST_OF_SERVER_SETTINGS_WITHOUT_PATH, LIST_OF_SERVER_SETTINGS_WITH_PATH, ServerSettings, ServerSetting)