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was中的Stress level 和Stress multiplier的设定什么区别

关于was中的Stress level (threads)和Stress multiplier (sockets per thread)设定有什么区别，我设Stress level (threads)=1和设Stress multiplier (sockets per thread)=10个用户登陆后台或设Stress level (threads)=10和设Stress multiplier (sockets per thread)=1个用户登陆后台，每个用户在同一时间内只能有一个登陆的。我发现好象都登陆了，这是为什么。  

我的理解是Stress level (threads)相当于用户数，而Stress multiplier (sockets per thread)相当于用户的登陆次数。不知道是不是这样。

没人答复，顶一下

Stress level vs. stress multiplier

In the settings window under concurrent connections, Web Application Stress allows you to specify the Stress level (threads) and Stress multiplier (sockets per thread) for greater control of a test run. Stress level is the total number of Windows NT threads that are created across all of the clients. Each thread can create multiple sockets and each socket is a concurrent request. The following formula explains this relationship:
Total Concurrent Requests = Stress level (threads) x Stress multiplier (sockets per thread) = Total Number Sockets

Windows NT has a limit of 2,000 threads per server, and could start to bog-down after 100 threads are created. Increasing the sockets per thread allows a single client machine to more efficiently generate current connections greater than 100, thereby increasing the stress. This is most effective when testing large static (HTML only) files with bandwidth throttling enabled.

这么说吧！Stress level (threads)相当于登陆次数，而Stress multiplier (sockets per thread)相当于每一次登陆的并发用户数量。