扩展服务器配置难不难?升级成本与性能提升如何平衡,服务器配置升级挑战与成本效益平衡解析
Is it difficult to expand the server configuration? How to balance upgrade costs and performance improvements? Analysis of server configuration upgrade Challenges and cost-benefit balance
以上为机器翻译结果，长、整句建议使用 人工翻译 。