The performance of a DFSORT application is largely determined by the use of a special set of product features. This chapter provides an introduction to the performance features of DFSORT including:

• Blockset technique
• OUTFIL
• Memory object sorting, Hipersorting and dataspace sorting
• Dynamic Storage Adjustment
• Cache fast write
• ICEGENER
• Compression
• Striping
• Dynamic allocation of work data sets
• System-determined block size
• Larger tape blocksizes (greater than 32K)
• Managed tape data sets
• IDCAMS BLDINDEX
• DFSORT's Performance Booster for The SAS System