The main PowerExchange CDC Publisher utility for streaming change data from PowerExchange to the target messaging system. The utility extracts change data from PowerExchange, filters the data if filtering criteria is defined, formats the data into messages, connects to the target, and publishes the messages to the target topics. These processes comprise a streaming

path

. The utility usually runs as a long-running process or daemon.

The PowerExchange CDC Publisher utility for issuing administrative commands to a PwxCDCPublisher process that is running. Commands are available for:

Shutting down the CDC Publisher.
Clearing Avro schemas from cache so that you can refresh the extraction maps for source tables with added or removed columns, thereby enabling PowerExchange CDC Publisher to regenerate the Avro schemas the next time data is received for the tables.
Re-reading all extraction maps from PowerExchange to get new or changed extraction map definitions for source tables.
Reporting the current Avro schemas in a format that is suitable for viewing or consumer application use.

The PowerExchange CDC Publisher utility for reporting the color-coded status of a PwxCDCPublisher process and each of its main subprocesses: "GREEN" for running, "RED" for stopped, or "YELLOW" for a potential problem. The utility can also report statistics and state information for each topic and for internal attributes that are intended for diagnostic use.