如何在实际条件下模拟Web应用程序的120个并发用户? [英] How to simulate 120 concurrent users of a web application with real conditions?

问题描述

如何使用诸如JMeter的负载测试框架模拟> 120个并发用户?据我了解，如果我使用120个服务器或120个CPU内核，则可能会实现真正的并发.

How to you simulate > 120 concurrent users using a Load Test Framework such as JMeter? Real concurrency, as far as I understand, would be possible if I would use 120 servers or 120 CPU cores.

您如何/在实际条件下测试您的Web应用程序或服务?

How did/do you test your web application or service with real conditions?

推荐答案

我发现JMeter可以正常工作，但是我通常使用4至5台PC来获得最准确的结果.

I have found JMeter to work fine, but I generally use is across 4-5 PC's to get the most accurate results.

尽管您可能认为很难从单个PC上模拟120个并发用户，但是您必须意识到，在实际工作场景中，120个并发用户将不会在同一时间访问服务器，因此CPU线程算法足以模拟负载.

Although you may believe 120 concurrent users may be difficult to simulate from a single PC, you have to realise that in a real work scenario, 120 simultaneous users will not be accessing the server at exactly the same time, therefore the CPU threading algorithms are sufficient to simulate the load.

您需要做的是了解用户可能会使用您的应用程序，即单个用户每秒收到的请求数量/秒，并确保您的测试有效地模拟了这种情况.

What you need to do is to understand the likely usage of your application from your users, i.e. how many requests per second/minute you will get from a single user and make sure that your test simulates this effectively.

因此，我们的技术是在运行不同测试的5台PC上使用JMeter，并在测试过程中监视服务器性能.

So, our technique is to use JMeter running on 5 PCs running different tests, and to monitor the server performance during the tests.

当然，还有许多其他产品可以以更高的价格来更好地模拟Web流量，但是我一直发现JMeter非常适合我的需求.

There are of course many other products available that for a price are able to better simulate web traffic, but I have always found JMeter to be perfectly good for my needs.

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