DB2 10 for z/OS experiences
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26. Juli 2012 um 20:18 Uhr #4158
AnonymInaktivHi folks,
I would like to share some experiences about DB2 10 for z/OS. Don’t hesitate to contribute your own!
regards
Gernot[hr]
Beta testing parties reported an increase of storage usage. They talked about 10-30% additional real memory consumption.
In conversion mode (V9CM) we did not recognize a significant change of storage consumption.
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… to be continued …
2. August 2012 um 6:37 Uhr #4297
AnonymInaktiv[hr]
New DB2 V10 sample programms, e.g. DSNTEP2, DSNTEP4, DSNTIAUL, … are available with NFM, not in CM.
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9. August 2012 um 8:22 Uhr #4396
AnonymInaktiv[hr]
Slight increase of basic CPU comsumption of …[list bull-bluearrow][*]IRLM SRB CPU time
[*]DIST TCB CPU time
[/list]… costs approx. 20 CPU seconds per day per subsystem. Currently no lab results and/or corrections available.Significant increase of basic CPU consumption of … [list bull-redarrow][*]MSTR TCP CPU time
if correction of z/OS APAR OA37821 is not installed. (PTF ist one of UA63986 UA63987 UA63988 UA63989). See also http://www-01.ibm.com/support/docview.wss?uid=swg1PM49816 – High DB2 Master CPU noticed on idle system where multiple DB2 V10 are active.
[/list]… costs approx. 60 CPU seconds per day per subsystem.
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1. Oktober 2012 um 20:24 Uhr #4462
AnonymInaktiv[hr]
IBM provides corrections for some known problems:PM65360 (UK80191): HIGH MSTR SRB CPU TIME IN DB2 V10
http://www-01.ibm.com/support/docview.wss?rs=0&uid=swg1PM65360PM62709 (UK80552): EXCESSIVE SRBS WERE SCHEDULED
http://www-01.ibm.com/support/docview.wss?uid=swg1PM62709PM67558 (UK80828): High DBM1 pre-emptible SRB CPU for RTS system thread in DSNGERTS
http://www-01.ibm.com/support/docview.wss?uid=swg1PM67558[hr]
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