>> From: IBM Mainframe Discussion List mailto:IBM-MAIN@LISTSERV.UA.EDU On >> >> Behalf Of Mark Zelden >> >> Sent: Wednesday, September 11, 2013 6:24 PM >> >> To: IBM-MAIN@LISTSERV.UA.EDU >> >> Subject: Re: PDS/E, Shared Dasd, and COBOL V5 >> >> >> >> On Wed, 11 Sep 2013 16:46:49 +0200, Thomas Berg >> >> <thomas.b...@swedbank.se> wrote: >> >> >> >> >Have you any experience about performance differences to vanilla PDS. >> > >> >E g in IMS TP ? >> > >> >> >> No. Performance is most likely better than it was (although I never >> >> measured it before and after way back then) and my client doesn't have >> >> the "huge" number of members / directories that have been known to cause >> >> performance issues and are addressed by PDSE V2 in z/OS 2.1. >> >Thanks! BTW, with "huge", are we talking about >> 10000 members ?
Generally, yes - because of the way things are split between different major applications. I looked and saw one loadlib with about 20,000 members, but most are under 5K. Regards, Mark -- Mark Zelden - Zelden Consulting Services - z/OS, OS/390 and MVS mailto:m...@mzelden.com ITIL v3 Foundation Certified Mark's MVS Utilities: http://www.mzelden.com/mvsutil.html Systems Programming expert at http://search390.techtarget.com/ateExperts/ ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
