Typical Delta Configurations

To set Delta parameters while submitting a DLI Spark SQL job, access the SQL Editor page and click Settings in the upper right corner. In the Parameter Settings area, set the parameters.

**Table 1** Typical Delta configurations
Parameter	Description	Default Value
spark.databricks.delta.retentionDurationCheck.enabled	Whether the retention period is checked when vacuum clears files that are no longer referenced.	true
spark.databricks.delta.properties.defaults.deletedFileRetentionDuration or delta.deletedFileRetentionDuration	Retention period of files that are no longer referenced by Delta. If spark.databricks.delta.retentionDurationCheck.enabled is set to true, an exception will be thrown when files that have not yet reahced their retention period are cleared.	168 hours (1 week)
spark.databricks.delta.properties.defaults.logRetentionDuration or delta.logRetentionDuration	Expiration time of Delta log files. When a Delta log executes a checkpoint action, it scans for expired files that need deletion. If such files are found, they are removed to prevent the Delta log files from growing indefinitely.	30 days