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Chapter 4
Managing Engines
This chapter describes how to manage iIS process engines. It covers the following
topics:
• configuring an engine
• starting an engine
• monitoring and changing the state of an engine
• reconfiguring an engine to accommodate increased load, improve
performance, or recover from failure
• managing an engine database
Production Engines Versus
Development Engines
Engine use in production environments can differ significantly for use in
development environments. In a development environment, the engine is used
principally for testing and debugging purposes, while in a production
environment, the engine must support mission-critical operations.
These different use requirements translate into differences in the way you are
likely to configure and manage an engine. The table below summarizes some of the
issues.
Production Engine Development Engine
Multiple engines might be needed for
organizational reasons or to handle
heavy production loads.
A single engine is normally sufficient for
testing purposes.