We ignore it entirely by overriding via the IEFUSI exit. REGION is basically useless in this day and age, especially for batch. For UNIX work, it may be needed. And for some types of started tasks, such as DB2 (which we don't have), it can still be very necessary.
-- John McKown Systems Engineer IV IT Administrative Services Group HealthMarkets(r) 9151 Boulevard 26 * N. Richland Hills * TX 76010 (817) 255-3225 phone * john.mck...@healthmarkets.com * www.HealthMarkets.com Confidentiality Notice: This e-mail message may contain confidential or proprietary information. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message. HealthMarkets(r) is the brand name for products underwritten and issued by the insurance subsidiaries of HealthMarkets, Inc. -The Chesapeake Life Insurance Company(r), Mid-West National Life Insurance Company of TennesseeSM and The MEGA Life and Health Insurance Company.SM > -----Original Message----- > From: IBM Mainframe Discussion List > [mailto:IBM-MAIN@bama.ua.edu] On Behalf Of Haynes, Stan > Sent: Wednesday, February 09, 2011 8:04 AM > To: IBM-MAIN@bama.ua.edu > Subject: Default REGION Size > > We run a 4-system production sysplex using z/OS/JES2 1.11 > augmented by Thruput Manager. > > As a result of an application area reporting one of their > critical jobs abending S822 (issue since corrected), we found > ourselves noticing a very old parm value: default REGION size > for all classes via the JOBCLASS statement. It's still set to > an 'ancient' value of 7M! Haven't assessed how many of our > jobs simply accept the default, but I'm thinking of changing > the default region size for all jobclasses to a more current > value of 32M. In this day and age, not sure how many > programmers have a handle on "used virtual storage", and not > sure it should still matter! Jobs simply shouldn't fail > because of "region size" in this day and age IMHO. > > I don't know how other shops handle this, and would like to > read your comments/thoughts/opinions on my suggested "new" > default region size. > > Cheers, > > Stan Haynes > z/OS Systems Analyst > Canada Revenue Agency > > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@bama.ua.edu 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 lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
