
Configuring an Engine
6.Specify the engine database tables (Current state and/or History log) for which you want to log information. If you write to history log tables, specify the information to log.
Current state This setting determines whether the engine writes information about the current state of all sessions, processes, and process components to the current state tables (see Appendix B, “Engine Database Schema”). You cannot recover an engine or support failover of an engine unit unless you enable the Current state option.
History log This setting determines which information, if any, the engine logs about each state change in sessions, processes, and process components to the history log tables (see Appendix B, “Engine Database Schema”). The history log tables are used for obtaining historical information about process execution. The history log can grow quite large, so set logging selectively. You may have to monitor, back up, and flush the history log tables on a regular basis. For more information, see “Managing an Engine Database” on page 124.
NOTE The registration tables are always enabled for registering process definitions, assignment rule dictionaries, user profiles, a validation, and aliases. Therefore, no option for the registration table appears in the dialog.