ca.portal.admin

Re:question about numbered user exits

Discussion created by ca.portal.admin on Oct 18, 2010
I am reading Chris Hoelscher's article on z/IIP exploitation in the
September 2010 ""IUA Connections"" with great interest as our site
experienced the problem that he describes. Chris indicates that the
numbered user exits can contribute to TCB/SRB swapping. We use exit 28
(security pre-processing) and I am wondering if this could account for
some of the high swapping rate that we saw.

Here is my question: Is there any way to determine how many times a
numbered user exit is actually being executed?

Kay Rozeboom
State of Iowa
Information Technology Enterprise
Department of Administrative Services
Telephone: 515.281.6139 Fax: 515.281.6137
Email: Kay.Rozeboom@Iowa.Gov
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Re: question about numbered user exits
"Even if you BALR it instead of #CALL you would still get a swap.
Performance issues are relative. If the advantages of having the
flexibility of Enable/Disable. Vary new copy and easy testing are
desirable in terms of administration. i.e RHDCUXIT in the IDMS arena
created by SMP/E and the actual exits in the Application arena managed
by CA-Endevor. A slight performance hit to achieve those goals is
definitely worth it in my case.

What about Presspack? Is that SRB mode or just COMP/DCOM? I might
convert a few records back to COMP/DCOM if Presspack isn't zIIP
eleigible.

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