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TIBCO GridServer® 7.1.0

# Driver Cleaner Configuration

When Direct Data Transfer (DDT) is enabled and data is transferred directly to the Engines from this Driver, DDT files are persisted for a configurable amount of time, and then deleted by a file cleaner process. The file cleaner deletes files and directories when they are no longer needed, such as files left over by a Service that did not complete normally. Files used by a currently executing Service are not deleted regardless of the files’ age or the Driver’s configuration.

There are four properties in the `driver.properties` that control the cleaner:

| • | `DSDataTransferFileExpirationHours`: The amount of time DDT files persist before being deleted. By default, this is set to 120 hours.

| • | `DSDataTransferFileExpirationFrequency`: The number of times per day that the Driver checks for and cleans expired DDT files. By default, this is set to 6 times. To disable the file cleaner, set this to 0.

| • | `DSDataReferenceFileExpirationHours`: The amount of time Data Reference files persist before being deleted. By default, this is set to 120 hours.

| • | `DSDataReferenceFileExpirationFrequency`: The number of times per day that the Driver checks for and cleans expired Data Reference files. By default, this is set to 24 times. To disable the file cleaner, set this to 0.

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