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  1. #1
    Join Date
    Apr 2003
    Location
    Washington DC area
    Posts
    1,770

    Cool Unanswered: exp 0008 Ora-01555

    EXP-00008: ORACLE error 1555 encountered
    ORA-01555: snapshot too old: rollback segment number 10 with name "_SYSSMU10$" too small
    EXP-00000: Export terminated unsuccessfully

    I have a mountain of data but I'm transaction light. ?Would it be easy to just increase the rollback segment.?

  2. #2
    Join Date
    Aug 2003
    Location
    Where the Surf Meets the Turf @Del Mar, CA
    Posts
    7,776
    Provided Answers: 1
    http://asktom.oracle.com has a fine write up on ORA-01555 errors.
    The long running session throws this error.
    Error occurs when either when COMMIT exists within long running PL/SQL procedure
    or when another session is doing DML against same table as long running query.

    The fix is 1 of 2 choices, either stop doing DML to make UNDO/RBS larger.
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