> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Ted MacNEIL
>
> >You say your using "region mode" for CICS. Does that mean
> you haven't set up CICS for transaction response time
> processing? I would recommend that you do that. CICS will
> run a lot better that way - in my opinion.
>
> I would first 'clean up' the DB2 issues first.
>
> And, when I first implemented WLM, I would have agreed with
> your statement.
> But, now, I say: "It depends"!
>
> I moved to a large CICS shop that had tried it, back when the
> WLM had to build control blocks for the sum of all MAXTASKs,
> and caused all sorts of overhead.
>
> They stuck with region (velocity) goals.
> When I started there, I wanted to switch to transaction
> goals. But, when we did the analysis with CMF data, we found
> over 95% of the transactions were sub-0.1 seconds. This was
> with over 70,000,000 a day (yes million) and over 500/second
> at the peak.
We run only around 6 - 7 million txns/day, and we haven't yet tried
transaction goals for CICS. Don't really see any need to try; velocity
goals seem to work fine. Especially since installing the z9, we've
consistently seen response times under 0.05 seconds.
-jc-
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