SORTWKxx are typically temporary and not SMS
compression eligible (requires catalog entry to
hold the SMS compression attributes).
Michael
At 02:31 PM 4/16/2024, Jousma, David wrote:
Michael,
Yes, thanks. It is just the sortwk datsets that are the issue.
Dave Jousma
Vice President | Director, Technology Engineering
From: IBM Mainframe Discussion List
<IBM-MAIN@LISTSERV.UA.EDU> on behalf of Michael
Oujesky <reflect...@oujesky.net>
Date: Tuesday, April 16, 2024 at 3:24â¯PM
To: IBM-MAIN@LISTSERV.UA.EDU <IBM-MAIN@LISTSERV.UA.EDU>
Subject: Re: Anyone exploiting ZEDC?
Food for thought. zEDC is block oriented rather
than record oriented (i.âe. reads/writes full
track blocks on DASD and BLKSIZE become logical
(i.âe. the size of the buffer used to exchange
data with the application)), so any processing that expects
Food for thought. zEDC is block oriented rather than record oriented
(i.e. reads/writes full track blocks on DASD and BLKSIZE become
logical (i.e. the size of the buffer used to exchange data with the
application)), so any processing that expects to make use of BLKSIZE
to perform physical I/O (random, update, etc) will fail.
Thus DFSORT will have issues for SORTWK datasets, but not
SORTIN/SORTOUT datasets.
Michael
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