Re: z/OS 1.4 Slowdowns
As already alluded, enclaves are *ALWAYS* a good candidate. When we first
encountered problems with them we had no idea what the issue was.
Also worth considering, here's some thoughts from Greg a couple of years
back (retrieved from my "saveit" folder) ...
"The most common causes of uncaptured system overhead are for excessive
paging and a internal queue build up of SRBs (usually for cross-memory
POST) due to server address spaces having a priority lower than their
clients. The later is impossible to see with monitors."
Shane ...
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