Default: NSR, unless random processing specified in ACB.
The NSR control has no operands and forces CA Hyper-Buf to use NSR buffering. NSR buffering can benefit mixed-mode files (for example, both random and sequential or skip sequential) if a substantial amount of the processing is sequential. If neither LSR nor NSR is specified, the default action is as follows:
OPEN FOR SEQUENTIAL PROCESSING - NSR BUFFERING OPEN FOR MIXED PROCESSING - NSR BUFFERING OPEN FOR RANDOM PROCESSING - LSR BUFFERING
CICS Requirements: If you request CICS files to be buffered by including the DFHSIP program, the DFHCSD, DFHRSD, DFHLCS, and DFHGCD files must be specified with NSR. IBM does not support these files in an LSR-buffered environment. The following shows a sample using NSR:
MODE=INCLUDE
PROGRAM=DFHSIP
DDNAME=DFHCSD NSR
DDNAME=DFHRSD NSR
DDNAME=DFHLCD NSR
DDNAME=DFHGCD NSR
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