> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of R.S.
>
> I'm looking for some ROT (rule of thumb) for MEMLIMIT.
> What I learnt:
> - default limit is set in SMFPRMxx
> - the limit can be affected by IEFUSI or other exit (this is not my case)
> - REGION=0 implies default MEMLIMIT ignore (MEMLIMIT=inifinity)
> - gotcha: MEMLIMIT=0 does not mean infinity, it really means zero.
>
> However I'm looking for a clue what to put into SMFPRM. What value is OK?
>
> What "privileged" tasks should be checked before the change? DB2? CICS? MQ?
CICS requires a minimum MEMLIMIT size starting with TS 4.x.
CICS TS 5.1 refuses to start with less than 6G MEMLIMIT. We have SMFPRMxx set
to 8G.
-jc-
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