Index rebuilding
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Thread: Index rebuilding

  1. #1
    Join Date
    Oct 2005
    Posts
    1

    Red face Index rebuilding

    At what point do we decide that it's time to start rebuilding the tables indexes? I have max_extents set to UNLIMITED on both tables and indexes. Some of the indexes have grown to more than 100 extents but I don't see any visible performance degradation. But I am not sure when should I start thinking about rebuilding my indexes or do an import / export on tables to reset extents. Any help is greatly appreciated. Thx. Sathya

  2. #2
    Join Date
    Aug 2002
    Location
    Colorado Springs
    Posts
    5,253
    If you are using locally managed tablespaces, instead of the old dictionary management, then you have a long way to go before you start to see degradation -- 1,000 extents is entirely manageable.
    David Aldridge,
    "The Oracle Sponge"

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

    Oracle ACE

  3. #3
    Join Date
    Nov 2000
    Location
    Pittsburgh, PA
    Posts
    3,997
    Quote Originally Posted by sathya_jonnalag
    At what point do we decide that it's time to start rebuilding the tables indexes?
    When someone puts a gun to your head and makes you do it.

    You should really read the following, HOW TO STOP DEFRAGMENTING AND START LIVING: THE DEFINITIVE WORD ON FRAGMENTATION.
    this space intentionally left blank

  4. #4
    Join Date
    Oct 2005
    Location
    Indianapolis
    Posts
    100
    Search "rebuild indexes" on Asktom.oracle.com for reasons not to rebuild
    "False data can act only as a distraction. Therefore. I shall refuse to perceive you." - Bomb #20

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