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Thread: Slow Index Creation

  1. #1
    Join Date
    Jan 2004
    Posts
    30

    Slow Index Creation

    Hi all,
    I am doing the migration using exp & imp utility. However, I manual create the index & it took so long to create the index on 3 x 2GB tablespace. What should I do in order to improve the index creation performance?

    Please advice.

    Thanks

  2. #2
    Join Date
    Aug 2002
    Location
    Colorado Springs
    Posts
    5,253
    Build lots of indexes at the same time, using the PARALLEL and NOLOGGING keywords, and setting a reasonably large sort_area_size.
    David Aldridge,
    "The Oracle Sponge"

    Senior Manager, Business Intelligence Development
    XM Satellite Radio
    Washington, DC

    Oracle ACE

  3. #3
    Join Date
    Nov 2000
    Location
    greenwich.ct.us
    Posts
    9,092

    Re: Slow Index Creation

    Originally posted by samc
    Hi all,
    I am doing the migration using exp & imp utility. However, I manual create the index & it took so long to create the index on 3 x 2GB tablespace. What should I do in order to improve the index creation performance?
    Don't use exp/imp to migrate.
    Jeff Hunter

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