© 2012 IBM Corporation 42 Optimization Product Functions Automated Batch I/O Tuning Solution –Significantly improve system-wide performance for VSAM and non- VSAM batch processing –Reductions of batch elapsed time in the range of 25-75% –Benefits VSAM, non-VSAM (QSAM, BSAM) and VSAM loads Accomplishes this by: –Reducing CPU overhead associated with I/O (EXCPs) –Exploiting locality of reference principle in real storage Refers to reuse of specific data, and/or resources, within a relatively small time duration –Adapting NSR/LSR Buffering to changes in file processing –Enabling VSAM LSR and Hiperspace for high level code 42
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