BW Workload statistics: What is BEX3?
Hello Everyone,
In ST03N for a BI system we have a portion there BI Workload statistics to monitor the BI query performance. I understand that queries are ran via RSRT, BEX Analyzer and BEX Web Analyzer or the Portal.
If we look at the query in detail and double click one infocube we have there individual records for a query and there is a column FRONTEND aside from the Total Time, DB time, OLAP time columns etc. I would like to ask that since I have seen 3 Frontend types as BEX, BEX3 and JAVA it is understandable that BEX Web analyzer is the JAVA frontend. How about what is RSRT and what is BEX analyzer? Which is for BEX3 or BEX for the two remaining frontend type?
many Thanks,
Jennah
Hi,
See if this helps..
BW Statistics:
http://help.sap.com/saphelp_nw04/helpdata/en/8c/131e3b9f10b904e10000000a114084/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/e5/2d1e3bd129be04e10000000a114084/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/80/1a67c5e07211d2acb80000e829fbfe/frameset.htm
assign points if useful ***
Regards
CSM Reddy
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I want to see the previous month workload statistics for my system.
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
try this option ST03N -> Expert mode -> Total -> Choose the month -
Hi,
I want to get the details of the objects in the workload statistics based on the date.
please help how to proceed.
Thanks,
Mythili
Edited by: Mythili Sakthivel on Oct 10, 2008 11:07 AMhi,
check these fm.
BDL_WORKLOAD_GET_STATISTIC
BDL_WORKLOAD_GET_STATISTIC_T_W
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Hello All,
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Possibly RFC, NETWORK, PAGING, CPU, SERIALIZATION on shared resources... There are SO MANY possible for a high response time.
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BANNER
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SYSSTATS_MAIN CPUSPEED
SYSSTATS_MAIN MBRC
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Letters to correct errors
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find an interim solution in an SAP Note.
If You Have access to SAP Notes, carry out a search with the Following
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"RAISE_EXCEPTION" ""
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or
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or
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If you can not solve the problem yourself and want to send an error
notification to SAP, include the Following information:
1. The description of the current problem (short dump)
To save the description, choose "System-> List-> Save-> Local File
(Unconverted) ".
2. Corresponding system log
Display the system log by calling transaction SM21.
I've been looking at notes sap, but there are very old, and for versions lower than mine.
I am working with SAP BI 7.0 patch 19 and BI.content 7.0.3 patch 0.
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Workload analysis st03n month view
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.
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Please help.
Regards,
SudhirHello Oliver,
Thanks for your answer. However, the retention period is sufficient. Please see below.
Standard statistics Time comparison data
Days 7 Days 20
Weeks 6 Weeks 20
Months 5 Months 14
I think I should explain the issue a bit more. If I see the workload statistics for previous month i.e. 5/2008, I can see data for 16 days only. However, in weekly view I can see the data for same period. If I see data for other months like 4/2008, 3/2008. I see data for 10-15 days only not the complete month.
Program RSCOLL00 is scheduled hourly and it finishes successfully.
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When I check the new version of 'sapwlpfnrm' you mentioned, the 'QUEUETI' is still with 'DEC 10', that's to say, the problem i met is still exist with the new version.
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Your vmstat shows that you're not running out of memory or CPU, and you don't have processes blocked. Your iostat isn't very comprehensive (iostat -nx is usually better), but doesn't look bad for I/O. Finally, all of that depends on your workload and what you expect. If you're running a database, having a server run with 0% idle CPU is probably very bad. If you're running a compute server in a grid, having a server run with 0% idle CPU is probably good.
Darren -
ST03 BI workload stats runtime error
Hi All,
we are getting a runtime error COMPUTE_BCD_OVERFLOW when we try to run BI workload statistics report.
Overflow during the arithmetical operation (type P) in program "SAPWL_ST03N". Seems like the result field is small.
We are on NW2004s, BI 7.0
Thanx
Balaji SinghCheck the note below
https://service.sap.com/sap/support/notes/881968 -
PSAP SID TABLESPACE UPDATE STATISTICS ADVANTAGES AND DISADVANTAGES
Dear All,
Can anyone explain me if we select PSAP SID table space only for update statistics from DB13 Instead of selecting all tables for update statistics,what are the advantages and disadvantages of selecting only PSAP SID tablespace .
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we are working on SAP ECC5 and oracle version id 9i and operating system is windows.Hi arunkumar ,
When you are updating statitics then update for all table space why for one only.After all it will increase the performance of your database.
Regards
Ashok -
EWA "6 Workload of System" - Other Time?
Hello,
i'm looking at the Early Watch Alert from the SAP Marketplace.
In Part 6 - Workload of System is a chart which is called "Task Type Overview".
It shows different "Taks Types" like RFC, BATCH, DIALOG and the "Total Workload in h".
The "Response Time Components in Hours" are "Wait Time", "CPU Time", "DB Time", "GUI Time" and "Other Time".
The "Other Time" contains about 50% of the whole RFC-Time.
Can someone tell me, which Times the "Other Time" contains?
I'm worry about because the "Other Time" is so big ?!
Screenshot: http://img695.imageshack.us/img695/2018/20111017.jpg
Best Regards,
PatrickHi Patrick,
In regards to EWA this information may be helpful:
Workload Statistics by Task types
DIALOG
RFC
UPDATE
UPDATE2
BATCH
SPOOL
HTTP
Times:
Response time: Start: User request enters dispatcher queue; End: Next screen is returned to the user.
Wait time: Request is waiting in dispatcher queue for a free work process.
Roll-in time:User context information is rolled into the work process.
Load time: Load from the database and generate objects like ABAP source code, CUA, and screen information.
Database request time: Starts in database interface on application server; ends when database has delivered resu
Processing time= Response time u2013(wait time + database time + load time + roll time + enqueue time)
CPU time: This is the CPU time used by the R/3 work process.
I think by Identifying the named ones, the ones that are left would belong to "Other"
Source:
https://websmp203.sap-ag.de/~sapdownload/011000358700001172952010E/EWAContentRedAlerts.pdf
Regards,
Paul -
How to find quickly what's wrong with the performance of a BW Query?
Hi All,
After a long time, I had to work on performance tuning of a query, Version BI 7.0 EHP 1, SP7.
Compression in done, BI Stats are running, showing that OLAP time is high almost 70%, compared to 20% DB Read time.
Aggregates cannot be created due to the nature of the cube, BIA is out of scope.
How to find quickly, step by step, what's wrong with a particular query.
Thanks in advance,
Best Regards,
- ShashiHi Sashi ,
1. OLAP time is more, you need to increase OLAP cache, you have different options for the query in RSRT t-code..
Select properties which makes to store the query result set in OLAP Cache for permanent.
Doc for the same :
http://www.sdn.sap.com/44A46FE1-6DC0-4F2C-A8CB-A1BB45DF0186/FinalDownload/DownloadId-ED38793C4C172FE2AFFDE727E36B3991/44A46FE1-6DC0-4F2C-A8CB-A1BB45DF0186/irj/scn/go/portal/prtroot/docs/library/uuid/f048c590-31a4-2c10-8599-bd01fabb93d4?QuickLink=index&overridelayout=true
2.Use only less no of Characteristics in the initial report. Place remaining in Free characteristics.
3.You need to check the query .It cmod code exist for any variable or your query have lots of navigational attributes then try to check for code efficiency .
4.If Front End time more then try to avoid the more characteristics in displaying the query result.
5.Use authorization objects on queries if possible .That will reduce data amount .
6.Use query read mode and global structures as when possible.
Some helpful links :
http://www.tli-usa.com/download/Expert_Tips_and_New_Techniques_for_Optimizing_Data_Load_and_Query_Performance__Part_Two_.pdf
how to increase the performance
Aggregates in SAP BW
bw statistics
What is the use of cube partition?
Create indices before or after compression
Regards,
Jaya Tiwari -
Iwould like to know about BW STATISTICS.
iwould like to know about BW STATISTICS.what is use of bw statistics.
Hi Satish,
Please search on the forum for threads about BW Stats...you can also read at help.sap.com. If you need help with searching, post back.
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