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  1. Preface
  2. Part 1: PowerExchange CDC Introduction
  3. Part 2: PowerExchange CDC Components
  4. Part 3: PowerExchange CDC Data Sources
  5. Part 4: Change Data Extraction
  6. Part 5: Monitoring and Tuning
  7. Appendix A: DTL__CAPXTIMESTAMP Time Stamps

CDC Guide for Linux, UNIX, and Windows

CDC Guide for Linux, UNIX, and Windows

Message Log Files

Message Log Files

The PowerExchange Logger writes messages to the PowerExchange message log file.
By default, on Linux, UNIX, and Windows, this file is named detail.log and is located in the working directory where the PowerExchange Logger process runs. However, you can optionally specify another directory for PowerExchange message log files. You can also enable the use of alternative log files.
To specify a unique directory for PowerExchange message log files, include the LOGPATH parameter in the dbmover configuration file. You can then find the PowerExchange message log files more easily.
Also, you can implement alternative logging by specifying the TRACING statement in the dbmover configuration file. When alternative logging is enabled, PowerExchange creates a set of alternative log files for each PowerExchange process, including each PowerExchange Logger process, in a separate directory. When an alternative log file becomes full, PowerExchange switches to another alternative log file. This automatic rotation of message log files prevents out-of-space conditions. Also, PowerExchange buffers messages before writing them to the alternative log files on disk at a specific flush interval. This mode of writing messages can reduce I/O activity on the alternative log files.

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