Introduction
The BPEL and BPMN engines are the heart of most Oracle SOA Suite 11g applications, and so the tuning suggestions here are relevant to most of the users of SOA Suite. While tuning lower down, the stack is focused on identifying and removing bottlenecks; tuning the BPEL and BPMN engines is much more of a trade-off between performance and reliability or the fault-tolerance of the system. So, these tuning recommendations should not be applied without carefully considering the consequences.
If you do some online research into the tuning options for SOA Suite, you may see references to tuning the internal business process engine. These engines are the runtime components that deal with executing the business processes in response to the user input. However, in our experience, this advice tends towards cases of setting parameter X to value Y and hoping for the best.
In this chapter, we want to expose the tuning options for SOA Suite's execution engines. In addition to showing you how...