[Default] On 30 Aug 2020 15:12:07 -0700, in bit.listserv.ibm-main stars...@mindspring.com (Lizette Koehler) wrote:
>List - > > > >I have a VSAM Dataset that has grown over the years. When it was set up - >the INDEX space was left to default > One other thing to check for in addition to the other recommendations given is whether or not the file should have grown this large. I ran into a case in one shop I was at where records were getting on the file but because of a coding error only certain ones were getting updated and removed. I was a systems programmer who went back into applications and was actually tracking down why a run time had increased. Clark Morris > >I am wondering if it makes sense to override the Track Allocation and put it >in Cylinders. > > > >We are noticing a little bit of an increase in run time during reorg. I was >wondering if this might be due to the data set having 3.4GB now. This file >is EA/EF so it can grow > > > >Over 4500 Cylinders on the Data > >And the index is using tracks 2 pri and 11 sec - size is now 2.4 MB > > > > > >During reorg we offload records to an archive then reload the current data >back in. > > > >This may be something I cannot improve on, just thought I would see if there >are any insights I am missing. > > > >Process: >Offload the data to a temp file > >Archive records older than 2 weeks > >Del/Def VSAM dataset > >Reload current records to VSAM dataset > > > >This runs daily > > >Thank you > > > >Lizette > > >---------------------------------------------------------------------- >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
