Analysis of Workload Statistics through ST03n
Hello All,
I am monitoring performance of transaction Vl01n. The workload table access statistics(St03n) for this transaction shows 0 modificatios, 0 direct reads, 0 sequential reads on table LTAK and has the top access time for the transaction (almost 90% of the total response time of the transaction).
My question here is that, <b>what other operation can cause such high response time when the Workload shows 0 modificatios, 0 direct reads, 0 sequential reads.</b>
Also the STAD data shows that this transaction has high response time with LTAK being the major contributor, when the Work process type Is <b>'U'</b>. Can we make assumptions that the operation being performed is Update?
Hi Vijay,
well - no db accesses but still high response time?
Possibly RFC, NETWORK, PAGING, CPU, SERIALIZATION on shared resources... There are SO MANY possible for a high response time.
And yes, if the WP-Type is U then it's a UPDATER.
So, easiest step would probably be to perform a STO5 SQL Trace of the VI01n transaction. If it's about the database you'll find it out there.
If not, then it's perhabs time to open a support message.
KR Lars
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Hello,
I want to see the previous month workload statistics for my system. When I go to st03n ->expert mode, go to month view and when I click on previous month workload analysis I see data for 12 days only. However, the data is available in weekly view.
What can be the problem?
Please help.which version of SAP System you are using
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About SAP standard reference value of the statistics data ST03N or ST03
Dear all,
Did you have a reference value of the statistics data ST03N or ST03?
Because when I saw the statistics data, I realy could not analysis these statistics data, and I also did not sure the value of the statistics data was right or not.
Could anybody give me a good advice?
Thanks a lot~Hi CX,
Glad to know you coming from Mainland China
Let me help you to check the very 'old' SAP training book BC315 2003 version on Chapter 4-18 it says:
n If a problem is detected, the data in the Workload Monitor (Transaction ST03N) can be used as follows to identify the area of the system where the problem is located.
n First check for general performance problems affecting all transactions. Good general performance is normally indicated by:
Wait time < 10% response time
Main menu (choose Transaction Profile) < 100 ms
n In the Workload Monitor, the following values normally indicate good performance:
Average roll-in time < 20 ms
Average roll wait time < 200 ms
Average load (and generation) time < 10 % of response time (<50 ms)
Average database request time < 40 % of (response time - wait time)
Average CPU time < 40 % of (response time - wait time)
Average CPU time Not much less than processing time
Average response time - Depends on customer requirements there is no general rule
The last statement is pretty much reasonable coz you cannot expect an old machine running latest SAP version like ECC 6.0 performs as fast as current big giant machine like IBM p5 595.
From my experience sometimes hardware upgrade/configuration is much easier than an SAP Basis to try to drain his brain to get the 5% performance increase. For example, an ECC 5.0 instance which using EMC storage was configured as RAID 5 initially, however later when it was configured as RAID 1+0 the performance increased a lot --- Bottle net was the storage.
Many cases like that...What I mean is that by maximum the hardware of the machine is the first thing to do for an SAP Basis... It's not surprised that a box is only utilized 40% of its memory, of course, by mistake.
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http://help.sap.com/saphelp_nw04/helpdata/en/e5/2d1e3bd129be04e10000000a114084/frameset.htm
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Hi All,
We are not getting any information coming into the BI Workload area of ST03n
We recently completed an EHP upgrade on our BI 7.0 system to EHP1.
We donu2019t feel that this issue is EHP related but more down to someone in the dev team re-scheduling jobs.
We have re-scheduled all the jobs mentioned here:
[http://help.sap.com/saphelp_nw70ehp1/helpdata/en/47/fe8a712d204aa7e10000000a421937/frameset.htm]
We have also checked all the settings required within RSA1.
Does anyone know what job or function brings in the BI Workload data into ST03N? or know of a Help or SAP Note that might guide us in the right direction?
Thanks in advance for any suggestions,
Paul
Edited by: Paul Baverey on Oct 29, 2009 7:08 PMHi Paul
Do you have all the relevant reports in TCOLL table?
Please check the SAP note https://service.sap.com/sap/support/notes/966309
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Results analysis data is calculated through sales order
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Results analysis data is calculated through sales order 300002423 001000
Message no. KJ112
Diagnosis
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System Response
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Procedure
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This process Order is related to Sales Order and I have checked the Result Analysis key is attached to Sales Order.
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Error when collect statistics in ST03N
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please help how to proceed.
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Thanks in advancehere you go...
SAPBWPRFLS BW Workload: Relation of Workload Profile and
Class Names
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BI Workload Monitor ST03 / ST03N
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Please advise
Best Regards,
URHi,
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[Problem] Service Report - SAP EWA - Download Problem
Hi Gurus
I managed to create and activate EWA for Solman 4.0
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Download Problem
We were unable to perform a correct analysis because essential parts of the download data are missing. This is most likely due to a problem with data collection or transfer.
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Edited by: Ruediger Stoecker on Mar 19, 2008 8:00 AM -
SAP Table index size is greater than the size of the actual table
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Here we see that the size of the index for a table is greater than the actual size of the table. Is this possible, if yes then how can we reorganize the index as it does not allow us to reorganize the index using brspace command.
Hope to hear from you soon, and if any additional activities you can suggest to improve the performance of the database will be appreciated.
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name,
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from
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bye
yk -
SAPWL_GET_SUMMARY_STATISTIC no longer returning data
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