Hi Srini,

>isolate the issue. We have run it when only one other user was 
>hitting the
>prod database heavily using a select stmt on unrelated tables - but the
>problem still persists. There were no concurrent requests 
>running at the
>time. The issue does not seem to be related to contention of resources.
>I have tried to figure out what the hot blocks are (via x$bh) 
>but have come

Is it possible to take a snapshot of v$system_event, v$sysstat before and
after the program runs and look at what's happening (on both Prod/QA)? That
should tell us which resources are being used.... 

Basically, what I did was to take Steve's script that looks at v$bh and
group/count the hot blocks by object name. 

John Kanagaraj
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