This video is an introduction to Tasks Run history in repository. Also describes, impact of Run history on RS, disable session statistics logging and alternatives OPB_PREF_COUNT.
How to unassign services from an expired key and assign them to a valid key in 9.1.0 and 9.5.1
How to automate the repository and domain back up process for disaster recovery in PowerCenter
How to find in which host the Repository Integration service is running in a multi node domain