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Thread: Redo log resize

  1. 03-10-2002, 02:29 AM #1
    farrokhp
    farrokhp is offline Senior Member
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    we can a large batch job run monthly that insert lots of record and also query and join some huge tables .. two questions :

    1- Can I user SET TRANSACTION TO BIG_ROLLBACK inside stored procedure ( Oracle 8.0.5 ) to prevent regular rollback blow out

    2- Do I need to resie redo log groups and files to prevent too many log switch and probably hang

    Generally please tell me what cuation I have to do in this kind of large scale process

    Thanks guys
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  2. 03-10-2002, 05:23 AM #2
    julian
    julian is offline Senior Advisor
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    1. Yes. Use "SET TRANSACTION USE ROLLBACK SEGMENT RBS_NAME;"

    2. No asuming that your logs are properly sized.


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  3. 03-10-2002, 03:05 PM #3
    ganeshg75
    ganeshg75 is offline Junior Member
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    Hi,

    Why don’t u follow Dynamic SQL so that u do not have to bather about redo log file size, roll back segments unless u want your transaction to be roll backed.

    Does it make sense?.

    Regards,
    Ganesh.G.
    Ganesh.G
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  4. 03-10-2002, 06:27 PM #4
    jmodic
    jmodic is offline Super Moderator
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    Originally posted by ganeshg75
    Does it make sense?.
    No, not to me. Dynamic SQL has nothing to do with batch job workloads (the frequency of log switches) nor with the size of transactions (rollback sizing isue).
    Jurij Modic
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  5. 03-10-2002, 07:14 PM #5
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    grjohnson
    grjohnson is offline Senior Advisor
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    Not sure if it's available under 8.0.5, but you could also try

    DBMS_TRANSACTION.USE_ROLLBACK_SEGMENT('BIG_ROLLBACK');

    Cheers,
    OCP 8i, 9i DBA
    Brisbane Australia
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