Delete Index in Process Chain Takes long time after SAP BI 7.0 SP 27

After upgrading to SAP BI 7.0 SP 27 Delete index Process & Create index process in Process chain takes long time.
For example : Delete index for 0SD_C03 takes around 55 minutes.
Before SP upgrade it takes around 2 minutes to delete index from 0SD_C03.
Regards
Madhu P Menon

Hi,
Normally  index  creation or deletion can take long time in case  your database statistics are not updated properly, so can check  stat  after your data loading is completed and index generation is done,  Do creation of database statistics.
Then try to recheck ...
Regards,
Satya

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    Regards,
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    21:45:30
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    00
    516
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    550
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    299
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    R3
    299
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    S
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    048
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    409
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    088
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    089
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    413
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    037
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    088
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    089
    S
    13.12.2010
    21:55:37
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    517
    S

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      I_BYPASS_BUFFER = 'X'
    and then Execute the FM.
    Double click on the "'E_S_VIOBJ'" and find the number in the field 'u201ENUMBRANR‟'
    and add  BIM to the number taken  from NUMBRANR.
    Goto SNRO T-Code and enter BIM+the number and edit.
    From Edit--> Set up Buffering --> Main memory, select the buffering check box and enter approx 500.
    This needs to be done for all the master and your dataload performance would improve.
    Regards,
    Mani

  • Query Prediction takes long time - After upgrade DB 9i to 10g

    Hi all, Thanks for all your help.
    we've got an issue in Discoverer, we are using Discoverer10g (10.1.2.2) with APPS and recently we upgraded Oracle DatBase from 9i to 10g.
    After Database upgrade, when we try to run reports in Discoverer plus taking long time for query prediction than used to be(double/triple), only for query prediction taking long time andthen takes for running query.
    Have anyone got this kind of issues seen before, could you share your ideas/thoughts that way i can ask DBA or sysadmin to change any settings at Discoverer server side
    Thanks in advance
    skat

    Hi skat
    Did you also upgrade your Discoverer from 9i to 10g or did you always have 10g?
    If you weren't always on 10g, take a look inside the EUL5_QPP_STATS table by running SELECT COUNT(*) FROM EUL5_QPP_STATS on both the old and new systems
    I suspect you may well find that there are far more records in the old system than the new one. What this table stores is the statistics for the queries that have been run before. Using those statistics is how Discoverer can estimate how long queries will take to run. If you have few statistics then for some time Discoverer will not know how long previous queries will take. Also, the statistics table used by 9i is incompatible with the one used by 10g so you can't just copy them over, just in case you were thinking about it.
    Personally, unless you absolutely rely on it, I would turn the query predictor off. You do this by editing your PREF.TXT (located on the middle tier server at $ORACLE_HOME\Discoverer|util) and change the value of QPPEnable to 0. AFter you have done this you need to run the Applypreferences script located in the same folder and then stop and start your Discoverer service. From that point on queries will no longer try to predict how long they will take and they will just start running.
    There is something else to check. Please run a query and look at the SQL. Do you by change see a database hint called NOREWRITE? If you do then this will also cause poor performance. Should you see this let me know and I will let you know how to override it.
    If you have always been on 10g and you have only upgraded your database it could be that you have not generated your database statistics for the tables that Discoverer is using. You will need to speak with your DBA to see about having the statistics generated. Without statistics, the query predictor will be very, very slow.
    Best wishes
    Michael

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