Thanks. I was thinking about PCEDEF too. On this system PURGENUM is set to 2. Would setting a higher number helped speed up purge processing for a single job?
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 Wednesday, March 23rd, 2022 at 7:54 AM, Allan Staller <00000387911dea17-dmarc-requ...@listserv.ua.edu> wrote: > Classification: Confidential > > I would check your PCEDEF. JES2 allows for up to 10 concurrent processes, and > defaults to 1. > > Your very large output may have been monopolizing the only purge processor > available. > > I do not believe your checkpoint, per se, was the problem, however, > > As of z/OS 2.1 JES2 offers "auto-tuning" of the minhold, maxdorm and other > parameters related to checkpoint processing in the MAS. > > I strongly suggest utilizing this function. Check the fine manuals for > details. BTW, ISTR that there is no initparm for this. It can only be set via > command(?). > > HTH, > > -----Original Message----- > > From: IBM Mainframe Discussion List IBM-MAIN@LISTSERV.UA.EDU On Behalf Of > Mark Jacobs > > Sent: Tuesday, March 22, 2022 4:25 PM > > To: IBM-MAIN@LISTSERV.UA.EDU > > Subject: JES2 Purge Processing > > [CAUTION: This Email is from outside the Organization. Unless you trust the > sender, Don't click links or open attachments as it may be a Phishing email, > which can steal your Information and compromise your Computer.] > > Yesterday we had a job with a huge amount of output take about 48 minutes to > complete purge processing. While it was being purged everything else on that > system that required JES2 services, basically spool space, wasn't able to do > so and was waiting for the purge to complete. This is a 3 system MAS, and I > think it's safe to say that any JES2 tuning activities hasn't been done in a > very long time. > > Does anyone have suggestions on what to look at in the system/JES2PARM > configuration that might speed purge processing up if this problem occurs > again? > > Mark Jacobs > > Sent from ProtonMail, Swiss-based encrypted email. > > GPG Public Key - > https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fapi.protonmail.ch%2Fpks%2Flookup%3Fop%3Dget%26search%3Dmarkjacobs%40protonmail.com&data=04|01|allan.staller%40HCL.COM|940b59fc6a9446de16ec08da0c4a884d|189de737c93a4f5a8b686f4ca9941912|0|0|637835811513743578|Unknown|TWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D|3000&sdata=IFmAY8Ke2hU4C86BTzpw33gntTYJ6IjEwQ%2B67MN0SM4%3D&reserved=0 > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ::DISCLAIMER:: > > ________________________________ > > The contents of this e-mail and any attachment(s) are confidential and > intended for the named recipient(s) only. E-mail transmission is not > guaranteed to be secure or error-free as information could be intercepted, > corrupted, lost, destroyed, arrive late or incomplete, or may contain viruses > in transmission. The e mail and its contents (with or without referred > errors) shall therefore not attach any liability on the originator or HCL or > its affiliates. Views or opinions, if any, presented in this email are solely > those of the author and may not necessarily reflect the views or opinions of > HCL or its affiliates. Any form of reproduction, dissemination, copying, > disclosure, modification, distribution and / or publication of this message > without the prior written consent of authorized representative of HCL is > strictly prohibited. If you have received this email in error please delete > it and notify the sender immediately. Before opening any email and/or > attachments, please check them for viruses and other defects. > > ________________________________ > > ---------------------------------------------------------------------- > > 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
