On Thu, 29 Mar 2012 08:54:51 -0500, Mark Zelden <[email protected]> wrote:
>On Thu, 29 Mar 2012 08:42:33 -0500, Mark Zelden <[email protected]> wrote: > >>On Thu, 29 Mar 2012 09:13:33 -0400, Mark Jacobs <[email protected]> >>wrote: >> >>>We're receiving java out of memory errors during the build of a WASoem >>>server which I believe is related to our virtual storage settings for >>>the environment. I'm executing the script on the OMVS shell from an ssh >>>session, not the TSO OMVS shell. >>> >>>We're not calling our IEFUSI exit for the OMVS subsystem (SMFPRMxx). >>> >>>What are other people doing for their OMVS virtual storage settings? >>> >> >>1) Don't restrict via IEFUSI (which you are not doing) >> >>2) Set MAXASSIZE and MAXCORESIZE to 2147483647 >> > >I forgot #3: Use my REXXSTOR exec (available on my web site and >CBT file 434) and run it in a z/OS unix shell (TSO OMVS or otherwise) to >verify you are getting the entire private area above the 16M line. > >For example, here is what the REXXSTOR output looks like from >one of the systems I am on: > > > V I R T U A L S T O R A G E U S A G E > ------------------------------------------- > > > Region requested: 55296K > > Max Priv Region Region Region LSQA Region > Reg Size Limit Size In-Use In-Use Avail > -------- -------- -------- -------- -------- -------- >Below 16M: 10216K 9728K 9728K 4K 280K 9724K >Above 16M: 1686528K 262144K 262144K 700K 10776K 261444K > >Above 2G : 10G (64-bit MEMLIMIT) >MEMLIMIT Source: SMF > > >Before someone asks about the region requested size of 55296K (54M), this >explains it: > >http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/BPXZB2A1/20.8 > >or > >http://tinyurl.com/3hel6vh > >"When the IEFUSI exit receives control, one of the parameters that is passed >is the region size that was requested for the JOB or EXEC test JCL statement. >For a forked address space, this is displayed as 54M. This value comes from >the default SWA blocks that are defined in module BPXPRBS. This is the default >JCL that is used when creating forked address spaces. " > Scratch "use TSO OMVS" from my last post. The above display was a poor example of proving what region a unix program would get because I used TSO OMVS and that does invoke IEFUSI. Here is an example from a shell where I used telnet to access z/OS unix. V I R T U A L S T O R A G E U S A G E ------------------------------------------- Region requested: 55296K Max Priv Region Region Region LSQA Region Reg Size Limit Size In-Use In-Use Avail -------- -------- -------- -------- -------- -------- Below 16M: 10216K 10216K 10216K 4K 276K 9936K Above 16M: 1686528K 2086936K 2086936K 700K 10700K 1675128K Above 2G : 10G (64-bit MEMLIMIT) MEMLIMIT Source: SMF -- Mark Zelden - Zelden Consulting Services - z/OS, OS/390 and MVS mailto:[email protected] Mark's MVS Utilities: http://www.mzelden.com/mvsutil.html Systems Programming expert at http://expertanswercenter.techtarget.com/ ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN

