Table of Contents

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  1. Preface
  2. Analyst Service
  3. Content Management Service
  4. Data Integration Service
  5. Data Integration Service Architecture
  6. Data Integration Service Management
  7. Data Integration Service Grid
  8. Data Integration Service Applications
  9. Mass Ingestion Service
  10. Metadata Access Service
  11. Metadata Manager Service
  12. Model Repository Service
  13. PowerCenter Integration Service
  14. PowerCenter Integration Service Architecture
  15. High Availability for the PowerCenter Integration Service
  16. PowerCenter Repository Service
  17. PowerCenter Repository Management
  18. PowerExchange Listener Service
  19. PowerExchange Logger Service
  20. SAP BW Service
  21. Search Service
  22. System Services
  23. Test Data Manager Service
  24. Test Data Warehouse Service
  25. Web Services Hub
  26. Application Service Upgrade
  27. Application Service Databases
  28. Connecting to Databases from Windows
  29. Connecting to Databases from UNIX
  30. Updating the DynamicSections Parameter of a DB2 Database

Cache Files

Cache Files

When the PowerCenter Integration Service process creates memory cache, it also creates cache files. The PowerCenter Integration Service process creates cache files for the following mapping objects:
  • Aggregator transformation
  • Joiner transformation
  • Rank transformation
  • Lookup transformation
  • Sorter transformation
  • XML target
By default, the DTM creates the index and data files for Aggregator, Rank, Joiner, and Lookup transformations and XML targets in the directory configured for the $PMCacheDir service process variable. The PowerCenter Integration Service process names the index file PM*.idx, and the data file PM*.dat. The PowerCenter Integration Service process creates the cache file for a Sorter transformation in the $PMTempDir service process variable directory.

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