Problem solved.  It was caused by a join being done between 2 tables with
different EBCDIC code pages.  Thanks for the responses.

Jim McAlpine

On Tue, Apr 28, 2009 at 4:46 PM, Jim McAlpine <[email protected]>wrote:

> 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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