Percentile response times are only useful if there are sufficient transactions 
to make a useful calculation. 90% of 5 transactions is useless, 90% of 100 
transactions gives useful measures.

Kees.

> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
> Behalf Of Gerhard Adam
> Sent: 15 February, 2018 4:46
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: WLM and response time
> 
> For additional clarification, consider a batch response time goal of 10
> minutes.  If we assume 5 initiators, and the service class is managed by
> transaction class for these 5 initiators, then how do I not risk have a
> policy adjustment interval where there is only one response time sample
> in any of the buckets during the adjustment interval.  It would render
> the percentile response time worthless.
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