Frank,
Please make sure that you have OA54007 installed. http://www-01.ibm.com/support/docview.wss?uid=isg1OA54007 Thanks, Kolusu IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> wrote on 06/12/2018 08:51:03 AM: > From: Frank Swarbrick <frank.swarbr...@outlook.com> > To: IBM-MAIN@LISTSERV.UA.EDU > Date: 06/12/2018 08:51 AM > Subject: IDCAMS REPRO very slow on z/OS 2.3 > Sent by: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> > > We just upgraded from z/OS 2.2 to z/OS 2.3 on Sunday morning. This > appears to cause IDCAMS REPRO jobsteps to do a lot more I/O and take > a lot longer: > > > PROCSTEP RC EXCP CONN TCB SRB CLOCK SERV > RECORDS PROCESSED > > CPCOPY3 00 255K 929K 2.658683 0.159647 15.5 3103515 52662441 > > CPCOPY3 00 256K 967K 2.679822 0.186634 16.9 3156197 52760628 > > CPCOPY3 00 256K 1014K 2.693045 0.191031 17.6 3175500 52812944 > > CPCOPY3 00 257K 1071K 2.698492 0.190811 18.7 3181257 52834640 > > CPCOPY3 00 257K 1014K 2.706506 0.195671 18.0 3195359 52842738 > > CPCOPY3 00 258K 909K 2.687564 0.163270 16.3 3139318 52852559 > > After z/OS v2.3 implementation: > > CPCOPY3 00 18M 2363K 6.493965 1.100855 101.3 10081297 52859452 > > CPCOPY3 00 18M 2406K 6.123753 1.018400 100.5 9588445 52888383 > > So from 15-20 minutes for 5.2 million records to 100 minutes. > Anyone know of a system level "tuning" parameter we might need to tweek? > > Thanks, > Frank > > ---------------------------------------------------------------------- > 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
