The log4j.properties file in $II_SYSTEM/ingres/files/spark-provider controls the logging levels for messages printed to spark_provider.log by the Spark-Vector Provider application. The default logging level for the provider is INFO; the default logging level for all other components is ERROR. You can modify this behavior.

For example, to see all messages written by Spark-Vector components at DEBUG level or higher, you can un-comment the following line: