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MEMLIMIT parameter Migration from cics3.1 to cics3.2

 
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wang_f_y1
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Joined: 16 May 2008
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PostPosted: Tue Aug 04, 2009 4:40 pm    Post subject: MEMLIMIT parameter Migration from cics3.1 to cics3.2
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When i migrate from cics3.1 to cics3.2,I set region=150M in start procesure before.the document said it recommand MEMLIMIT is 2G,

so Must i choose set region=2G,or MEMLIMIT=2G?Is there different bettwen them?if i set 2G,mvs have enough memory to support that?
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Robert Sample

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PostPosted: Tue Aug 04, 2009 5:15 pm    Post subject:
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The recommendations are recommendations, not requirements. If you're using Java with your CICS regions, the 2 GB may be more a mandatory requirement than a recommendation but without Java you should be able to start somewhere close to your current value -- although you may have to go up some due to new functionality in CICS.

z/OS on the z10 EC machines support a minimum of 16 GB to a maximum of 1520 GB for the machine; I believe pretty much any of the z machines support 8 GB of memory. You may need to contact your site support group to verify the memory allocated to your LPAR is at least 2 GB before you start the CICS region with 2 GB, but most recent machines are set up with several GB per LPAR anyway.
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