On Thu, 3 Sep 2009 00:57:23 -0700, Ron Hawkins <[email protected]> wrote:
>Tommy, > >The only problem I'm aware is that there may be an increase in CPU time for >most programs and transactions the longer your system is up. I think this >was first suggested by Cheryl Watson after a study back in the late 90s, and >I confirmed that it was happening using SMF from an LPAR that had been up >and running for a few months (six months I think). I do not remember how >much increase there was. > There is an issue with long running address spaces (STCs) and SMF in regards to storage creep if you have interval detail records set. I'm not sure if there is any CPU impact. Do you have any doc you can point to? Mark -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America / Farmers Insurance Group - ZFUS G-ITO mailto:[email protected] z/OS Systems Programming expert at http://expertanswercenter.techtarget.com/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html ---------------------------------------------------------------------- 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

