Slow Response

  • Hope someone has some ideas on what to do about a problem we keep running up against.

    Scenario:

    SQL Server 2K Sp2

    Win 2K sp3 ( I think )

    1.5gb DataMart

    Dimension hierarchies created as normalised tables with indexed views for denormalised structure at each level of the heirarchy.

    eg: we have 5 levels for Products

    Product Level 1 Table ( approx 10 recs )

    ProdID1, ProdDesc

    Product Level 1 View

    ProdID1, ProdID1Desc

    Product Level 2 Table ( approx 30 recs )

    ProdID2, ProdID2Desc, ProdID1

    Product Level 2 View

    ProdID1, ProdID2, ProdID1Desc, ProdID2Desc

    Product Level 3 Table ( approx 70 recs )

    ProdID3, ProdID3Desc, ProdID2

    Product Level 3 View

    ProdID1, ProdID2, ProdID3, ProdID1Desc, ProdID2Desc, ProdID3Desc

    Product Level 4 Table ( approx 100 recs )

    ProdID4, ProdID4Desc, ProdID3

    Product Level 4 View

    ProdID1, ProdID2, ProdID3, ProdID4, ProdID1Desc, ProdID2Desc, ProdID3Desc, ProdID4Desc

    Product Level 5 Table ( approx 250 recs )

    ProdID5, ProdID5Desc, ProdID4

    Product Level 5 View

    ProdID1, ProdID2, ProdID3, ProdID4, ProdID5, ProdID1Desc, ProdID2Desc, ProdID3Desc, ProdID4Desc, ProdID5Desc

    The problem we are having is that when we insert records (anything from a few records to over 100) into the Product Level 5 Table it takes forever to run.

    Watching the spid via Current Activity shows it is doing heaps of CPU activity with minimal I/O's. The sys admin's also tell us that the CPU hovers in the 90% usage range for the duration of the query.

    We also discovered that the query has shared table locks on all the indexed views and tables listed above.

    Can someone explain what is going on and possible methods of getting the inserts to execute quicker.

    Thanks

    Phill Carter

    --------------------
    Colt 45 - the original point and click interface

  • Sorry, I got an error when trying to post this. Didn't think it had actually made it to the list. See the topic titled "Slow Insert Response with Indexed Views"

    Thanks

    Phill Carter

    --------------------
    Colt 45 - the original point and click interface

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