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  1. Preface
  2. Understanding Pipeline Partitioning
  3. Partition Points
  4. Partition Types
  5. Pushdown Optimization
  6. Pushdown Optimization and Transformations
  7. Real-time Processing
  8. Commit Points
  9. Row Error Logging
  10. Workflow Recovery
  11. Stopping and Aborting
  12. Concurrent Workflows
  13. Grid Processing
  14. Load Balancer
  15. Workflow Variables
  16. Parameters and Variables in Sessions
  17. Parameter Files
  18. FastExport
  19. External Loading
  20. FTP
  21. Session Caches
  22. Incremental Aggregation
  23. Session Log Interface
  24. Understanding Buffer Memory
  25. High Precision Data

Advanced Workflow Guide

Advanced Workflow Guide

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Session Log Interface Overview

Session Log Interface Overview

By default, the Integration Service writes session events to binary log files on the node where the service process runs. In addition, the Integration Service can pass the session event information to an external library. In the external shared library, you can provide the procedure for how the Integration Service writes the log events.
PowerCenter provides access to the session event information through the Session Log Interface. When you create the shared library, you implement the functions provided in the Session Log Interface.
When the Integration Service writes the session events, it calls the functions specified in the Session Log Interface. The functions in the shared library you create must match the function signatures defined in the Session Log Interface.