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SAP ERP 6.0 EHP7 upgrade optimal resources

Hi,

        I am performing EHP7 up gradation on SAP ERP 6.0.

SYSTEM H/W: 8 CPU's   50 GB RAM

OS : windows server 2008 R2

DB: oracle 11.2.0.5.0

SAP source release : ERP 6.0

SAP target release : ERP 6.0 including EHP 7

     I have performed above said activity on test system / development system / quality system /production system. The time to complete different systems varied beyond my expected/planned values.

     I understood that there are users logged into production system till pre processing stage of SUM tool.So the long running phases (ACT_UPG , SHADOW_IMPORT , etc ) took approximately double the time than other systems.

     May i know various other other reasons ,for productions system , which reduces performance (in terms of run time).Is there any ways to improve performance (in terms of run time) .

    

     I have increased R3trans processes,Batch process to higher values during configuration phase of SUM tool.What are the optimal values which can be given in for fast upgrade.

thanks & regards

uday reddy

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