R12 UPGRADE Running more than 100+ hours, HELP US TO RESOLVE

 Hi,

We had recently done 11i to R12 upgrade in a TEST instance. The upgrade went for nearly 107 hours. So Kindly help us how to reduce our upgrade time. The highest time consumed jobs as follows...

                                           Time                  

Prod   Job                          (HH:MM:SS    Phase       

---------------------------------------------------------------------------

 ja       jai_df_3848220.sql    43:51:55     upg+70\

 ad      adsstats.sql               41:02:46    last+63         

 ar       ar120gir.sql               5:08:06       upg+84         

 bom   cstmtaupg.sql            3:51:52       upg+72          

 ap      apsin.odf                   3:25:42       en: Create Large Indexes 

 bom   cstpostimportaad.sql 3:03:54       upg+70         

 ar      ar120trxl.sql               1:46:47       upg+80         

This is our server conf:-

-------------------------

Server Model - M4000

Platform - Solaris[tm] OE (64-bit)

OS Release - Solaris 10 Update 9

Kernel Patch - 144488-12