On Mon, 24 Jul 2017 15:20:01 -0700, Charles Mills ([email protected]) wrote about "Re: REGION=0M leads to CPU through the roof" (in <[email protected]>):
> ELEVEN MINUTES of CPU time to manage the stack and heap??? It can happen when memory is in a lot of fragments. > Something is very wrong here. It's either a flaw in the measurement > process or something is very wrong in LE, MVS, etc. If it is eleven > minutes of heap management then I would say that is a PMRable problem. Indeed. But if the memory is being referenced (i.e. committed) when the memory management routines a trying to consolidate fragments, there could also be a lot of paging -- and paging really slows things down. > I would be checking my work -- the measurement process -- and then > reporting the problem to IBM. "Doctor, it hurts when I do this!" "Well don't do that." :-) -- Regards, Dave [RLU #314465] *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* [email protected] (David W Noon) *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
