SORT.PARMLIB(SIZEnnnG) Where nnn=001,005,020,100,200,300,400,500,...,999)? On Thu, Jul 6, 2023 at 2:00 PM Billy Ashton <bill00ash...@gmail.com> wrote: > > OK, the team is going to figure out what is the best set of defaults for > the majority of work (80/20 rule), and then use the full DFSPARM > override for those odd jobs that need to add FILSZ. I think we will > leave the DYNSPC out for now, and work with the default 256 unless we > need to change it. Of course, we test all the job changes like this. > > Thanks again so much for your guidance here! I don't think I have any > more questions, but other folks may still jump in, I guess. > > Billy Ashton > > > ------ Original Message ------ > From "Sri h Kolusu" <skol...@us.ibm.com> > To IBM-MAIN@listserv.ua.edu > Date 7/6/2023 1:13:39 PM > Subject Re: SORTWK space usage > > >>> and their intention is to use the common DFSPARM like I showed, but then > >>> to concatenate another line there with the FILSZ=E### value. This way, > >>> they don't need to specify everything again, and can focus on only the > >>> parameter they need. > > > >Billy, > > > >Unfortunately, that would NOT work. You cannot have multiple OPTION > >statements. However, you can override the contents of DD of a proc in the > >JCL. So, you add the FILSZ parameter at the end of your parms. Or you need > >to add a COMMA at the end and have FILSZ parm on the next line. > > > >>> Is there some formula for the DYNSPC setting? the manual had a table, > >>> but it said it was showing a value for 6000-byte records...that doesn't > >>> sound overly useful > > > >The manual also mentions about the size of the file in MB in relation to > >DYNSPC. "Blockset is able to sort approximately 150 megabytes with > >DYNSPC=32 and approximately 1200 megabytes with DYNSPC=256." > > > >In your case you overrode DYNSPC=768 which would let your Sort 3600 > >megabytes(3.6 GB). However, your program is trying to sort about 69 GB of > >data. You cannot really tune DYNSPC for that size. You are better off > >providing the estimated filesize via DFSPARM with DYNALLOC and sort will > >automatically allocate the necessary disk space. > > > >≫--is there a different setting for secondary allocation? > > > >Look up the parm WRKSEC which specifies whether DFSORT uses automatic > >secondary allocation for temporary JCL SORTWKdd data sets for which a > >secondary allocation amount is not specified. > > > >https://www.ibm.com/docs/en/zos/2.5.0?topic=statements-option-control-statement > > > > > >Thanks, > >Kolusu > > > > > >---------------------------------------------------------------------- > >For IBM-MAIN subscribe / signoff / archive access instructions, > >send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
-- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
