JMeter-负载平衡 [英] JMeter - load balancing

问题描述

在我们的应用程序中，我们有6个应用程序服务器实例.

In our application, We have 6 instance of application server.

当我们手动测试它时，我们将随机降落在某个节点上. 当我运行JMeter测试(有20个用户)时，大部分负载(70％)分配给6个节点中的1个特定节点. 30％的人从其余5人转到另一个特定的节点.

When we test it manually, we will land on some node randomly. When i run our JMeter test (with 20 users), most of the load(70%) goes to 1 specific node out of 6 nodes. 30% goes to another specific node from the rest 5.

我通过请求cookie中设置的JSESSIONID看到了信息.

I see the information via JSESSIONID set in the request cookies.

问题:

我当时认为负载将在所有6个节点上均等地平衡(或多或少). 这是我的申请问题吗?还是与JMeter有关系?

I was thinking the load will be balanced on all the 6 nodes equally (more or less). Is this my application issue? Or Does it have to do anything with JMeter?

注意:

• 我们的应用服务器是JBoss.这是基于Cookie注入的负载平衡.
• 我不通过Cookie将请求发送到任何特定的应用服务器. cookie是自动设置的.

推荐答案

首先请确保

First of all make sure that HTTP Cookie Manager is added to your test plan, it should be enough to automatically resolve cookie-based load balancing problem.

如果您有> 1个负载均衡器实例，或者负载均衡器解析了> 1个IP地址，则可能必须添加 DNS缓存管理器.请参见 DNS缓存管理器:正确的测试方法负载均衡应用指南，以获取更好的解释和配置详细信息.

If you have > 1 load balancer instance or the load balancer resolves in > 1 IP address you may have to add a DNS Cache Manager as well. See The DNS Cache Manager: The Right Way To Test Load Balanced Apps guide for better explanation and configuration details.

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