Good point. This can be seen in DB2 (or long running STCs) as storage creep if you have interval detail records set (so don't do that if it hurts).
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 On Tue, 13 Oct 2009 08:27:32 -0500, Staller, Allan <[email protected]> wrote: >This may be SMF keeping the "pieces" it needs to build the SMF records >at task termination. > >A key symptom would be a long shutdown time for the task and an apparent >CPU loop in the task after a "xxx is shutting down" message. > >If this is the case, reference the DDCONS parameter of SMFPRMxx. > >What is the working set for the application? Unless you have done some >things unlikely to have been done for a "application program", I can >almost guarantee the working set is not 17,000 pages. > >HTH, > > ><snip> >I currently try to find a obscure memory leak in one of our >applications. After some days our appl occupies ~17.000 pages of real >memory (needs just ~1.500 after startup). > >As we track all malloc(), calloc(), realloc() and free() function calls, > >I can say that there is no obvious memory leak.... > >Now... after I've looked at the JESYSMSG I've noticed that we've done >approx 17.000 DYNALLOCs, everyone with a different DD-Name (we let the >z/OS generate a unique one, like "SYS00001", "SYS00002", "SYS00003" and >so on)..... to be clear: *NOT* ~17.000 at the same time. mostly only one > >at the same time... ></snip> > >---------------------------------------------------------------------- >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 ---------------------------------------------------------------------- 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
