Avg. DB Request Time in Update Task

Hi
In Service level report, Avg. DB Request Time in Update Task shows more than 100000 ms and it is very high. I just want to know if we want to reduce then where shd i look ? We have sufficient Update ( v1, V2 ) process in system. We dont see any queue in SM13 tcode.
I checked ST03 -> work load analysis -> database --> update V1/V2.
Can you tell me how do i reduce the db time for update ?
regards,
Rajesh Kokane

Hi Rajesh,
I understand that your average DB time is exhibiting more than ususal.
As per standards you can check as thumb rule like avg.DBtime should not be more that 40 % of the avg.Response time.
If any excess values shows in ST03N ,then you have to find out why DBtime for executing the request is taking time.
As you mentioned, for your case avg.DBtime for update task shows high value for this case you need to corner the problem so that you can look at what causes the DBtime high.
I have suggestion for how to look at the problem in DB perspective,
1.Check all the transactions data in ST03N and list down the tcodes which crosses the 40% of the avg.DB time of the avg.response time of the respective transactions.
2.Collect all the users for the most worst transations and see what is the task that is performing on the transaction
3.If possible make an appointment with the user and activate the trace in ST05 to look at the DBtime details and see if any strange happening at DB.Make a note on the Tables involved in your SQL trace and their details
Best Regards,
Shyam Dontamsetty

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Plz do reward if useful
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Why do we use this " In Update Task " ??
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How do we Use ??
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Check the SAP Help :
http://help.sap.com/saphelp_nw04s/helpdata/en/41/7af4bfa79e11d1950f0000e82de14a/frameset.htm

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Edited by: kittu reddy on Feb 28, 2008 5:29 AM

It might be the type conflict . Please check once .
Here am giving some information abt UPDATE TASK.
Why do we use this " In Update Task " ??
The main update technique for bundling database changes in a single
database LUW is to use CALL FUNCTION... IN UPDATE TASK.
How do we Use ??
A typical R/3 installation contains dialog work processes and at least one update work process. The update work processes are responsible for updating the database. When an ABAP program reaches a COMMIT WORK statement, any function modules from CALL FUNCTION... IN UPDATE TASK statements are released for processing in an update work process. The dialog process does not wait for the update to finish. This kind of update is called asynchronous update.
What is the Use... ??
Asynchronous update is useful when response time from the transaction is critical, and the database updates themselves are so complex that they justify the extra system load
Thanks
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