You can make it more efficient to split the weekfile, while building it, into separate files per subject: I/O, DB2, MQ, Monitors etc. You hardly need data from all area's. If you add data in the correct order, you can use DFsort to select data until Date > Dayn.
Kees. > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On > Behalf Of Sankaranarayanan, Vignesh > Sent: 04 December, 2018 17:45 > To: [email protected] > Subject: IFASMFDP > > Hello! > > Say there's a file called SMF.WEEKLY and it is a huge, multi-volume > file, and is an aggregate of all SMF.DAILY files (data is sequential). > If I want to pick out data from just the first day of the week from > SMF.WEEKLY, using IFASMFDP, apart from specifying DATE(yyddd,yyddd), is > there a more efficient way? > > That is, knowing that the data I need ends within the first few vols of > the multi-vol SMF.WEEKLY, is there a way to avoid the cost of going > through the whole SMF.WEEKLY file? > > As always, thanks for your inputs. > > - Vignesh > Mainframe Infrastructure > > > MARKSANDSPENCER.COM > ________________________________ > Unless otherwise stated above: > Marks and Spencer plc > Registered Office: > Waterside House > 35 North Wharf Road > London > W2 1NW > > Registered No. 214436 in England and Wales. > > Telephone (020) 7935 4422 > Facsimile (020) 7487 2670 > > www.marksandspencer.com > > Please note that electronic mail may be monitored. > > This e-mail is confidential. If you received it by mistake, please let > us know and then delete it from your system; you should not copy, > disclose, or distribute its contents to anyone nor act in reliance on > this e-mail, as this is prohibited and may be unlawful. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ******************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ******************************************************** ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
