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SUM : INITSUBST : Processes Distribution

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Dear Gurus,


 

We are performing Support package upgrade using SUM tool, we have performed using SAINT on DEV and it took 8 hours of downtime on QAS we performed using SUM and downtime was around 3 hours.


 

Resources

OS - Linux suse 10

QAS - CPU 2 , RAM - 16 GB

PRD - CPU 16 , RAM - 160 GB

 


Process numbers provided during QAS upgrade via SUM-

 

Enter the maximum number of background processes during the update:

BATCH PROCESSES (UPTIME): 10

BATCH PROCESSES (DOWNTIME): 12

 

Enter the maximum number of parallel DDL processes:

DDL PROCESSES (UPTIME): 6

DDL PROCESSES (DOWNTIME): 8

 

Enter the maximum number of parallel import processes:

R3TRANS PROCESSES (UPTIME): 6

R3TRANS PROCESSES (DOWNTIME): 8

 

Enter the maximum number of parallel phases to run:

PARALLEL PHASES (UPTIME): 4

PARALLEL PHASES (DOWNTIME): 4

 

We will like to achieve reduce downtime for PRD instance considering client requirement for less downtime, can anyone guide how much processes shall we set to achieve less downtime?

 

Total processes available on CI - 60 (Dia/Back)

 

Kindly guide to achieve better result.

 

Thanks,

Warm Regards


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