UNLOAD

UNLOAD

Specifies whether to unload images at the end of each SAS step

Language element: system option

Default: NOUNLOAD

Valid in: configuration file, SAS invocation, OPTIONS statement, System Options window, VMS_SAS_OPTIONS DCL symbol

OpenVMS specifics: All aspects are host-specific

Syntax
Details
See Also

Syntax

UNLOAD | NOUNLOAD

UNLOAD: removes images from the virtual address space.
NOUNLOAD: switches off all unloading. This is the default.

Details

The UNLOAD= system option helps you optimize SAS System performance. This system option enables the SAS System to disassociate a dynamically loaded image from a user's virtual address space and to release resources allocated by the loaded image. The ability to remove images has been available since Release 5.18, but the syntax and nature of the UNLOAD= system option have changed.

You can specify UNLOAD when memory is at a premium, however, doing so will adversely affect performance. If the same procedures are used repeatedly in a SAS job, specify NOUNLOAD.

See Also

Using the UNLOAD System Option

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Language element:	system option
Default:	NOUNLOAD
Valid in:	configuration file, SAS invocation, OPTIONS statement, System Options window, VMS_SAS_OPTIONS DCL symbol
OpenVMS specifics:	All aspects are host-specific