Pieter Harder wrote:
I think the answer to the standard STORBUF: Q1=125% Q2=105% Q3=95% not causing me
grief is that I run production in Q0 >> due to quick dispatch being set.
Production on averages owns 25-30 percent of real pages and never goes below 15
percent, so it is really hard for Q3 machines to get up to that 95 percent.
QUICKDSP - well yes of course that exempts you from VM distach controls
all together. That is overkill.
Why overkill? It is the setup that is decided on. Give production an absolute
priority above everybody else, and let the rest contend in a free-for-all.
Besides, if production does go long dormant it will lose it real pages. When it
becomes active again we don't want it to be held back by anything.
Hi Pieter,
absolute priority makes your SAP Guests compete with TCPIP and other
z/VM services that are already QUICKDSP. As your SAP Guests depend on
these z/VM Services to provide an efficient service your setup is not
optimal.
mark
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