Sometimes mis-used instead of random.
Point, then read (as I recall) flushes VSAM's data buffers, then
reads in whatever number of control intervals have been specified by
BUFND. If the application only needs a record or two and BUFND is
set to read in a substantial potion of the control area, the excess
I/O deteriorates performance.
Usefull in reading in reading through large files where only portions
of the data is needed, but too often abused when random with LSR
would be the better choice.
Michael
At 05:03 AM 5/23/2023, Binyamin Dissen wrote:
Perhaps a beginners question, but I am not finding precise doc on the
difference between sequential and skip-sequential VSAM processing.
Is it that instead of doing an ENDREQ and a new positioning, one changes the
value of ARG and VSAM uses that for the next GET?
--
Binyamin Dissen <[email protected]>
http://www.dissensoftware.com
Director, Dissen Software, Bar & Grill - Israel
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