I would love to see your sort, I am attempting that same project at my site.
Thank You
bill
-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of
Massimo Biancucci
Sent: Monday, May 16, 2022 1:40 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: [External Sender] Re: IBM BLSR subsystem
Hi,
we changed many JCLs using " AMP=('ACCBIAS=DO')" and succeded in CPU and
elapsed time reduction (up to 50% in few cases).
We used SMF64 to choose the best candidates.
If needed, I can share a simple SORT step to convert SMF64 to "readable"
CSV file.
Best regards.
Max
Il giorno lun 16 mag 2022 alle ore 16:36 Pommier, Rex <
rpomm...@sfgmembers.com> ha scritto:
> 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 viable/valuable thing or has it been replaced by something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
WARNING: All information contained in, and/or attached to, this message is
privileged and/or confidential and is protected from disclosure. This email
may contain non-public information that includes, but it not limited to
personally identifiable information of a natural person. The unauthorized
access, use, modification, alteration, or disclosure of such non-public
information is prohibited. If you are not the intended recipient, you are
hereby notified that any unauthorized dissemination, distribution or copying of
this communication is strictly prohibited. Please notify the sender
immediately if you have received this email in error, and delete it from your
computer.
----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
