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Thread: Index in different tablespace

  1. #11
    Join Date
    Aug 2002
    Colorado Springs
    There is no performance improvement through separating tables and indexes.

    A good basic starting point is to arrange objects according to their size. You probably want something like three tablespaces for all your tables and indexes as a starting point ...

    i) SMALL, uniform extent size 32kb
    ii) MEDIUM, uniform extent size 1Mb
    iii) LARGE, uniform extent size 32Mb

    You can spread the data files for these over different arrays/controllers, or create one set of tablespaces for each array.
    a tablespace for small objects with a uniform extent size somewhere between 16 and 64Kb, then another tablespace for lerger objects with a uniform extent size of 16 or 32-times the size of the small-object TX.
    David Aldridge,
    "The Oracle Sponge"

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

    Oracle ACE

  2. #12
    Join Date
    Apr 2001
    Brisbane, Queensland, Australia
    Originally posted by slimdave
    I don't believe there to be any performance of maintenance banefit from separating indexes and tables into different tablespaces -- look at or the google forums for many discussions on this.

    I've been following advice and putting objects in tablespaces based purely on their size for quite a while now, and it works great. Maybe a dedicated TS for a particular table

    If you see no benefit to seperating the index and table, then why are you splitting tables into different tablespaces... managability?


    What I can gather there is no performance advantage of seperation, just a managability issue.

    These may help..,
    Last edited by grjohnson; 12-09-2002 at 12:49 AM.
    OCP 8i, 9i DBA
    Brisbane Australia

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