John P Donnelly wrote:
Anyway to display the RMPTTOM value in effect?
/* REXX */
Numeric digits 14
CVT = C2d(Storage(10,4))
CVTOPCPT = C2d(Storage(D2x(CVT+604),4))
RMCTRMPT = C2d(Storage(D2x(CVTOPCPT+16),4))
RMPTTOM = C2d(Storage(D2x(RMCTRMPT+28),4))
Say RMPTTOM
This shows 5120 (microseconds) on a z800 running z/OS 1.7 without OA18452 and
13824 with OA18352. (Prior to z/OS 1.7 RMPTTOM was kept in milliseconds.)
We are z/OS V1R4, soon z/OS V1R7, on a z800; just set RMPTTOM from
default 1000 to 5000…not really seeing any impact...any value
suggestions?
As has been suggested, let it default. Note that OA18452 changed more than just
the SRM invocation interval--it also changed the frequency of some of the SRM
algorithms. And likely some other stuff.
Aside from the CMG paper mentioned (written by the folks that originally
discovered the anomaly), read the WSC Flash at
http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/FLASH10526
and the post to the MXG listserver by Bernie Pierce at
http://peach.ease.lsoft.com/scripts/wa.exe?A2=ind0610&L=MXG-L&P=R8479
Bob
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