Take a look at the AMP=ACCBIAS keyword. It specifies the assigned VSAM System Managed Buffering specification.
Mark Jacobs Sent from ProtonMail, Swiss-based encrypted email. GPG Public Key - https://api.protonmail.ch/pks/lookup?op=get&search=markjac...@protonmail.com ------- Original Message ------- On Monday, May 16th, 2022 at 10:36 AM, Pommier, Rex <rpomm...@sfgmembers.com> wrote: > Hi list, > > Is the BLSR subsystem (batch local shared resources) still a viable/valuable > thing or has it been replaced by something bigger/better/faster? I seem to be > stuck in the mid-90s because the most current documentation I can find on it > is from MVS/ESA 5.1 dated 1994. Is there more current documentation on how to > use it and how it works? Has it been replaced and deprecated? I just had a > developer use it last week and experienced a 40+ reduction in I/Os but I > wanted to read up on its limitations - especially around using it on a shared > VSAM dataset. However I can't find anything newer than 25+ years old. I did > multiple internet searches which is where I found the ESA manual. I checked > the knowledge center and my own z/OS 2.2 and 2.4 collections all to no avail. > > Thanks, > > Rex > > ---------------------------------------------------------------------- > The information contained in this message is confidential, protected from > disclosure and may be legally privileged. If the reader of this message is > not the intended recipient or an employee or agent responsible for delivering > this message to the intended recipient, you are hereby notified that any > disclosure, distribution, copying, or any action taken or action omitted in > reliance on it, is strictly prohibited and may be unlawful. If you have > received this communication in error, please notify us immediately by > replying to this message and destroy the material in its entirety, whether in > electronic or hard copy format. Thank you. > > ---------------------------------------------------------------------- > 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
