On Mon, 2007-04-09 at 23:52 -0600, Paul Gilmartin wrote: > > > > Not really. Since the *ix boxes max out at 30% utilization, you need > > > This statement has been repeated so often among mainframe > partisans that it has come to be accepted without question. > Can someone provide a source, attribution, citation, whatever? > ... > Inquiring minds want to know.
Yes, minds - plural. I had toyed with making a similar post. I've no Unix background, merely Linux, but I'd be hard pressed to believe this RoT (if it is such) is valid. With respect to Linux, maybe it came from 2.4 kernel days - *lots* of servers still appear to run this for "stability". Maybe it came from 2.2. With 2.6 I'd be *real* surprised if you can't productively run the CPU much harder - although I/O (including swap/page) traffic can be a bit problematic at high rates. And of course there are next to no useful performance/tuning metrics. A real blindspot for some-one coming from RMF (yes, I've had a look at rmfpms). Shane ... ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html