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Thread: How to solve ora-04030 error

  1. #1
    Join Date
    Jul 2012

    How to solve ora-04030 error

    Hi All,

    I found ora-04030 ut of process memory when trying to allocate 16328 bytes error in alert log file. Below are the DB details....

    Os:Solaris 10

    Can anyone please tell me how to resolve this error, Do i need to increase open_cursors and session_cached_cursors here?

    Thanks in Advance

  2. #2
    Join Date
    Mar 2007
    Ft. Lauderdale, FL
    ORA-04030 means your shared_pool is too fragmented.

    As a workaround you can try to flush shared_pool but that's not a solution - just a bandaid.

    You may want to incease shared_pool size - which will only delay the next occurence of the issue.

    You may want to check for queries not using bind variables.

    Check Metalink for details. Lots of information about ORA-04030 and no magic bullet; all depends on your system.
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.

  3. #3
    Join Date
    Dec 2002
    This may be caused by one query/session, so identifying and tuning it may resolve it.

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