CFSIZER was mentioned - just be aware that IBM intends to sunset the CFSizer web application in 4Q26 and its function has been incorporated into the z/OSMF Sysplex Management service’s CFRM Policy Editor beginning at z/OS V2R5 - see https://www.ibm.com/support/pages/cfsizer
On Tue, 4 Nov 2025 14:08:06 -0600, Scott Barry <[email protected]> wrote: >Apologies - I misunderstood, thinking that your point contributed: >"..Logstream for DB2" -- was about DB2 technology (its use of LOGR/LOGSTREAMs) >and not more accurately to your point about "SMF Logstream for DB2". > >Only to presume say an hourly SMF/IFASMFDL offload (e.g., mostly large-volumes >with SMF 101 ACCOUNTING, also CICS, MQ, more recently zConnect, WAS/ODM andy >beyond), you can use MXG/ALTAIR-SLC (ok, or SAS) to analyze SMF type 23 >activity per LPAR / SMF LOGSTREAM. As well, the CFSIZER can help with your >quest. > >Scott Barry >SBBTech LLC > > >On Tue, 4 Nov 2025 12:50:38 -0600, Steve Beaver <[email protected]> wrote: > >>Actually Scott - Logstreams/structures are associated with ALL SMF records >> >>For Example you can create a Streams/structure to capture any records. If >>you want to have a Structure for SCRT, you can just capture the 70 and 89 >>records >>Its kid of stupid but you can. DB2 does put out a ton of SMF records like >>CICS does >> > >>-----Original Message----- >>From: IBM Mainframe Discussion List [mailto:[email protected]] On >>Behalf Of Scott Barry >>Sent: Tuesday, November 4, 2025 10:20 AM >>To: [email protected] >>Subject: Re: Looking for Some Help with iZPCA >> >>As far as I am aware, the z/OS LOGR LOGSTREAM associated with IzPCA is >>associated with SMF data-forwarding, not DB2. >> >>Scott Barry >>SBBTech LLC >> >>On Tue, 4 Nov 2025 09:06:58 -0600, Steve Beaver <[email protected]> wrote: >> >>>We are going to IZPCA and we are setting up an LPAR to just house IZPCA. >>> >>> >>> >>>We use Logstreams but we have no idea how to size the Logstream for DB2 >>> >>>And out IZPCA LPAR/System will be receiving data from 124 LPARS and our >>>volumes >>> >>>Are beyond amazing. >>> >>> >>> >>>Does anyone have any suggestions on how to size the DB2 Logstream to start? >>> >>> >>> >>>TIA >>> >>>Steve >>> >>> > >---------------------------------------------------------------------- >For IBM-MAIN subscribe / signoff / archive access instructions, >send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
