I'm a well-known mainframe performance guy, with almost 30 years of experience helping customers manage systems. I also dabble in lots of other technology. I've sought to widen the Performance role, incorporating aspects of infrastructural architecture.
I'm a world-famous podcaster and screencaster (albeit VERY thinly spread). :-)
Thanks to Marna Walle for pointing out this change: In z/OS Release 11 there is a requirement for an additional 1608 bytes of ESQA per address space. To put that in context, I'll do some obvious maths: That's about 1.6MB per 1000 address spaces. It just might be of interest to certain customers I know with thousands of CICS regions in a system, or very large TSO or Batch systems. It's probably not... [More]
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