I forgot to add. Have you checked with the vendor to see if there is anything they can do to help? (I think PROJCL is ASG)
Lizette > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On > Behalf Of Lizette Koehler > Sent: Thursday, April 28, 2016 6:17 AM > To: [email protected] > Subject: Re: PDS I/O Performance Improvement > > Since PROJCL is a JCL Checker, is this process doing a large number of JCL > members are one time or is this feeding the PROJCL Database for cross > Reference processing? > > What process for the process is being performed? > > > Lizette > > > > > Kreiter IBM-Main wrote: > > > > >I'm looking for some suggestions on how to possibly improve I/O > > >performance > > to a PDS. > > > > You already got good suggestions including moving to PDSE and > > compressing of that PDS. > > > > > > >A user is running a job that is reading a large parmlib (through > > >PROJCL I > > believe). I think the access is random rather than sequential. The > > parmlib has > > ~180,000 members is has an LRECL of 80/BLKSIZE of 27,920. > > > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
