Threads, DB sessions, and throttling

[Note: This text-wrapping due to the size of the images and the site layout may make this post hard to read.  If so, you should have a better experience with the copy pasted to http://biztalkperformance.members.winisp.net/BlogPages/MaxWorkerThreads.htm ].    I recently worked on a puzzling problem where spikes in load to BizTalk in a large environment would cause some unpleasant…

2