SAP System run slowly

Question

Dear all,
Our DB Instance always run very slowly and update process
responding time is very long during month end.
I think this maybe due to it runs the database and application.
So I want to delete the DB Instance from Logon Group, and then users
will just access other else three Dialog Instances, is it Ok or what
impact will have ?
How to check PI system connected to SAP ECC Logon Group's IP , but not only
connected to the DB Instance ?
Users always need run many Background Jobs at the day,but I heard other
company almost only allow users run Background Jobs at the night.
Generally, how many background jobs running on one Instance is normal?
Do we have any good ways to control or limit users' background job
setting at the day ?
The dialog and update process numbers of DB Instance are respectively 80 and 6(Update & Update2) , other Dialog Instance is 50:4(Batch:Update)
How is the general ratio between dialog and update process numbers ?
what's the difference between update and update2 process ?
Thanks,
Michael

Answer 1

Hi Michael,
Your company basis team searching why SAP system run slowly.
But don't have your company basis team check your system transactions.
ST01 - Operating system monitor
ST02 - Tune Summary
ST04 - SQL Server performance analysis
SM21 - System Log
SM50 - Process Overview
SM13 - Update Requests.
SM12 - Lock Entries
Maybe long time background working process see u overview tcode SM50 and SM12 kill procees after system speed normaly.
Regards.
Cem ATES