What’s New in SAS 9.4 Scalable Performance Data Engine

Overview

The following are new or enhanced options for 9.4:
  • ALIGN= data set option
  • COMPRESS= LIBNAME statement option
  • ENCRYPT=AES (Advanced Encryption Standard) data set option
  • ENCRYPTKEY= data set option
  • IOBLOCKSIZE= LIBNAME statement option
  • SPDEFILECACHE system option
  • In the first maintenance release for SAS 9.4, SPD Engine does not support DLDMGACTION=NOINDEX, but does support ABORT, FAIL, PROMPT, and REPAIR.
  • In the third maintenance release for SAS 9.4, a new section named Accessing SPD Engine Files on Another Host was added.

SPD Engine System Option

A new SPD Engine system option enables you to do the following:
  • The SPDEFILECACHE system option enables or disables caching of opened SPD Engine data files. For more information, see SPDEFILECACHE System Option.

SPD Engine Data Set Options

New and enhanced SPD Engine data set options enable you to do the following:
  • The new ALIGN= data set option specifies variable alignment. For more information, see ALIGN= Data Set Option.
  • The ENCRYPT= data set option has been enhanced to include the AES algorithm for stronger security. For more information, see Encrypting SPD Engine Data Sets.
  • The new ENCRYPTKEY= data set option specifies the key value for AES encryption. For more information, see ENCRYPTKEY= Data Set Option.

SPD Engine LIBNAME Statement Options

The new LIBNAME statement options enable you to do the following:
  • In the second maintenance release for SAS 9.4, the new IOBLOCKSIZE= LIBNAME statement option enables you to specify the size in bytes of a block of observations to be used in an I/O operation. For more information, see IOBLOCKSIZE= LIBNAME Statement Option.
  • In the second maintenance release for SAS 9.4, the COMPRESS= LIBNAME statement option enables you to compress an SPD Engine data set on disk as it is being created.