Performance issues- query/ web reports

Hi all,
i am facing some problems related to performance in queries and in web.
In web, some times i even getting timed out errors. could any one suggest me the ways to improve the both.
regards
kiran

see if this helps...
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/1955ba90-0201-0010-d3aa-8b2a4ef6bbb2
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/ce7fb368-0601-0010-64ba-fadc985a1f94
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/4c0ab590-0201-0010-bd9a-8332d8b4f09c
Thanks,
Raj

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Performance Issue with Webi report uses SAP BI Query as the data source

Hello.
I have created a Webi ad-hoc report which connects to a SAP BI query through BO OLAP universe.
The layout of Webi is the exactly the same as the BI query. There are filters in the Webi to restrict the number of data extraction, but even with data result of 5000 rows, it took about 30 seconds.
If I execute the BI query with the same filter restriction, it tooks less than 10 seconds.
It seems that large percentage of time is consumed at the MDX part.
Is there any tuning method that could speed up the process time of MDX?
Thank you.
Justine
Edited by: Justine Liu on Mar 18, 2009 6:59 AM

Hi,
please take a look here:
[https://service.sap.com/sap/support/notes/1142664] (Look under related notes)
It includes references to various performance improvements of the MDX interface. From what I saw there it is advisable to upgrade your SAP BI (7.0) up to at least Support Package 21 (you are currently on SP 15).
This may also be interesting for you: There is a new Fix Pack 1.4 coming out for BOBJ XI 3.1. Combined with the related SAP Enh.Pack (not sure about the version of this one) should also improve WebI performance. This fix pack is not yet officially released though but it should not take look.
I recommend that you try the upgrade to Support Package 21 first.
BTW it is also advisable to take a look in the results of your MDX query (e.g using the MDXTEST transaction). You should make sure that your query is indeed restricted as expected. Sometimes the results you see in SAP native reporting tools (e.g. BEx Analyzer) differ from those returned from the MDX component, depending on the way variables/restrictions where defined in the query designer. It is all about making sure that there is no apples/oranges comparison here.
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Hi BO Experts,
I am new to Business objects.
I have developed a new universe and webi reports, but I am facing some performance issues at webi side. Below I am furnishing my development details; please let me know how I can overcome with the performance issues.
1. Created a Query on Multiprovider (query is having nearly 125 objects (Info objects (restricted with hierarchies), navigational attributes & restricted key figures).
2. Developed a new universe on the query.
3. As part of performance- restricted the some fields at query filters and also applied conditions at universe level.
4. Created a webi report and it is generating the results for 8 fields (4 characteristics (hierarchy levels) + 4 restricted key figures) and also I used 5 conditions at webi report filters.
Finally, my Webi results are matching with BW query results, but Webi report is taking more time ( approximately 15 min. ) when I compare with BW query results( approximately 1min. ) and MDX query(approximately 2 min.) results. Requesting t you to please let me know, if I need to do any changes at universe or webi or bw query level to overcome with this performance issue.
Awaiting for your response.
Regards,
PRK

Hi,
Here are few steps to improve the performance:
Try to build the aggrregrates at Cube leve for those Characterstics which u are using frequenlty in WEBI Reports.
As you are using Hierarchy, the report performance will be always not good.
I suggest this can be best handled in BI Modelling Level only instead of handling the same at WEBI Report Level as at WEBI Reports we dont have much options to improve the performance
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Regards
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We are experiencing a serious performance issue, in a report, and need a urgent fix on this issue.
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Sreedhar,
Thanks for you quick response. Indexes were not created for VBPA table. basis people tested by creating indexes and gave a report that it is taking more time with indexes than regular query optimizer. this is happening in the funtion forward_ag_selection.
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This is happening for only 1 particular report. In the end i removed some of the objects from the query and added some new ones.
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How come , if it is display for data means it also need to be display for header (Dimension also).
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Hi,
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Subbu S

Hi Subbu,
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Hello,
We have a BW query with a standard Universe on top of it (generated automatically via the connection in universe designer).
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There are some characteristics and just one key figure (which is just 'number of records').
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Hi ,
I have report which has two data providers in 1st Data Provider i have 10 objects and in 2nd Data provider i have 3 objects the issue is performance report is taking 6 minutes to run.
Please help me out how we can increase the performance at Query Level.
Thanks
Siva

Hi
There are various levels to which you have to check to improve the performance of reports could be at connection levels, query, database etc.
some of them you can try
1. check array fetch size in relational connection parameters, deactivating array fetch size can increase the efficiency of retrieving your data, but slows server performance.
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list is called. This can have an effect on performance each time the list of values is refreshed. You should disable this option if the list of values returns a large number of values.
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Bad performance of Java Web Report in BI 7

We are experiencing poor performance with Java web application(EP)
comparing to that with ABAP web.
We migrated our BI reports from the ABAP web interface to the Java web
interface due to our upgrade to Netweaver2004 environment.
The problem is that it takes much longer time to load the BI reports in
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It is the same situation in RSRT. Java web needs more time to execute
the same query.
there is no EP logon performance delay, so I think the EP is configured good.
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seconds in every Query compared in that of ABAP Web report.
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Hi,
I am facing similar problem. How did you solve it?
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Using a variable on the BW side is not feasible since we want to use the same BW query for a few other reports as well.
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We are integrating BI Reports in SAP Enterprise Portal 7.0 ( SAP NW- 2004s).The reports are running properly .But the issue here is reports are taking long time to open and leading it to performance effect.
Reports in BEX( Bi side) working lilttle better than EP platform.
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There are two possibilities for slow performance in BW reports, so we need to look into wether its slow in the BW system or at the frontend.
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Update the frontend servers to the latest frontend release.
Recommended Frontend Release 700
Recommended Frontend Patch 18
Update the frontend servers to the lates SAP GUI release as soon as possible.
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Performance issues- query/ web reports

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