On 2020-10-07 03:03, Wayne Bickerdike wrote:
Give us an idea of how big each file is. OPEN/CLOSE is expensive. QSAM with
large buffers should go pretty quickly.
LOCATE instead of MOVE mode can speed things up when you are reading.
On a different note. I just compared EDIT macro performance versus
IPOUPDTE. IPOUPDTE was about 600 times faster.
Yes, but only if your data set is FB(80) and your changes are "trivial"...
For what it's worth, does anyone know of any IPOUPDTE equivalent on the CBTTape
site that can handle any LRECL that you throw at it?
Robert
--
Robert AH Prins
robert.ah.prins(a)gmail.com
The hitchhiking grandfather - https://prino.neocities.org/
Some REXX code for use on z/OS - https://prino.neocities.org/zOS/zOS-Tools.html
----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
