Jim, 

What is you CICS level?  Have you applied PK33403/UK05667?
Doc relates to DB2 v8 NEWFUN, but is a CPU issue in CUNMUNI.

http://www-01.ibm.com/support/docview.wss?rs=1083&context=SSGMGV&q=&uid=swg1PK33
403&loc=en_US&cs=utf-8&lang=en+en

Ed Schlueter
 

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of
Jim McAlpine
Sent: Tuesday, April 28, 2009 10:47 AM
To: [email protected]
Subject: DB2 for z/OS Version 9 - problem with unicode conversion

cross posted to IBM-MAIN and DLB2-L

I've just converted one DB2 system to DB2 Version 9 NFM and I'm getting a
problem which manifests itself as huge CPU usage in CICS/DB2 transactions.
These applications work perfectly in DB2 Version 8 on the same z/OS 1.7
system.  In DB2 Version 9 the transactions typically use over a minute of
CPU time compared to 0.2 secs on DB2 Version 8.  When I profile the V9
transactions, 30% of the CPU time is spent in cross memory and 70% in module
CUNMUNI.  I've trolled IBM and Google and can't find anything relating to
problems with CUNMUNI.  Has anyone seen anything like this before.

Jim McAlpine

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