CDC Guide for Linux, UNIX, and Windows

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Batch Mode

In batch mode, the PowerExchange Logger process shuts down after it reaches the end-of-log (EOL) and waits for the interval that is specified in the NO_DATA_WAIT2 parameter of the pwxccl configuration file without receiving additional change data.

Use batch mode in the following situations:

You run the PowerExchange Logger on a scheduled basis, after batch applications that update the database complete.

You run the PowerExchange Logger manually for testing or other purposes.

To enable batch mode, set the COLL_END_LOG parameter to 1 in the pwxccl configuration file.

When you run the PowerExchange Logger in batch mode, use batch extraction mode for any workflows that extract change data from the PowerExchange Logger log files.

PowerExchange Logger Operational Modes

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