On 11/9/2018 7:59 AM, Sankaranarayanan, Vignesh wrote: > I guess you could say that it may need consideration when trying to push your > existing h/w to the limit, much like how WLM is to ration resources out when > things are running tight. > – Vignesh
*Any*/every use of velocity needs *on-going* consideration. It's a completely arbitrary/mathematical construct that involves integer division, so it has all the mathy issues that drags. It was (is) simply the least-bad *general* way to measure "progress" for things that don't naturally complete transactions (servers, mostly). Google around for papers with my name (it's pretty unique) and velocity; I did one, probably at CMG, in 1995/1996 that still applies. The only "new" wrinkle is that the set of values feeding into the numerator and denominator are a bit different now. I/O was one of the changes (to both); I don't remember the timing well enough to say whether I/O was directly mentioned or just obliquely alluded to. -- John Arwe IBM Wave for z/VM Development product owner former zWLM Head Bottlewasher & Jack of All Trades ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
