How do we decide the number of data base servers and application servers ?

Dear Gurus,
How do we decide the number of data base servers and application servers in BW ?
How does this number help in data load balance and reporting needs ?
Any hard n fast rule in the number of servers ?
Regards
Mohan

Hi Mohan,
Check the number of application server in the T-code SM66.... and also u can check the it in Sm50 on appplication server basiss./.
From Sm37 u can see the application server Push button.. if u click on that also.. u can see the number of application servers in the system..
Get into the individual application server and check how many Dialogue and background WP's are free,,
If u see that the considerable number of WP are free(Waiting for task).. then u can shedule the loads..
If most of the WP are busy then u need to wait to trigger ur loads to maintain the load balancing..
If one Application server is too busy then u can check the other Application Servers in the systems..
And u can shedule the loads on a specific application sever level as well using the PC..
Thanks
I hope this is clear to u..
Assign points if this helps

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