如何Node.js的执行类似Apache？ [英] How does Node.js perform compared to Apache?

问题描述

Node.js的是更快，更具可扩展性比Apache？是否有任何性能数字上的Apache备份的Node.js的表现为Web应用程序？

Is Node.js quicker and more scalable than Apache? Are there any performance figures to back up Node.js's performance for a web application over Apache?

更新：好吧，也许我的问题（如上图），因为我是为Node.js的如何坐在一个网络堆栈中有点困惑是混乱的。在什么情况下，我应该考虑使用Node.js的，而不是一个更传统的堆栈，如PHP，MySQL和Apache的 - 还是Node.js的发挥它在这个堆栈的一部分

UPDATE: Ok maybe my question (above) is confusing because I am a little confused as to how Node.js sits within a web stack. Under what circumstances should I consider using Node.js instead of a more traditional stack like PHP, MySQL and Apache - or does Node.js play it's part in this stack?

推荐答案

Node.js的是一个框架，特别适合无需了解如何在较低水平实现并发编写高性能Web应用程序。这是编写JavaScript应用程序使用非阻塞IO服务器端框架：通过延续到IO调用，而不是等待结果。 Node.js的提供了一个系统的API（文件系统访问，网络访问等），所有的API调用采用的延续，它运行时将其结果后执行，而不是块并将结果返回到原来的调用者。

Node.js is a framework particularly well suited for writing high performance web applications without having to understand how to implement concurrency at a low level. It is a framework for writing server-side JavaScript apps using non-blocking IO: passing continuations to IO calls rather than waiting on results. Node.js provides a system API (filesystem access, network access, etc.) where all of the API calls take a continuation which the runtime will execute later with the result, rather than block and return the result to the original caller.

您可以单独使用，如果你喜欢。但你可能想在Node.js的前一个专门的反向代理：是这样的Apache，Nginx的，lighttpd的，等等。或者，汇聚更大的应用程序，你可能希望在多个运行的Node.js应用服务器前端类似HAProxy的。

You can use by itself, if you like. But you might want a dedicated reverse proxy in front of Node.js: something like Apache, Nginx, LigHTTPD, etc. Or, for clustering a bigger app, you might want something like HAProxy in front of multiple running Node.js app servers.

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