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Thread: How to find Max sessions ever reached by the database

  1. #1
    Join Date
    Mar 2001
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    Hi,

    Is there a way where we can find the maximum number of sessions ever reached by the database.

    Something like a High water mark for number of sessions.

    Ronnie
    ronnie_yours@yahoo.com

    You can if you think you can.

  2. #2
    Join Date
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    select * from v$resource_limit
    Sam
    ------------------------
    To handle yourself, use your head. To handle others, use your heart

  3. #3
    Join Date
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    Louisville KY
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    If you mean during a given session, then look at the alert log after a shutdown normal. It will show max sessions. I don't know where it is stored internally.
    Joseph R.P. Maloney, CSP,CDP,CCP
    'The answer is 42'

  4. #4
    Join Date
    May 2002
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    2,645
    Ever reached in the current instance vs ever reached ever?

    v$whatever view is only good for the current instance. Alert log, as mentioned, is an alternative.

  5. #5
    Join Date
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    Thanks for the input on v$resource_limit. I looked, I thought for all MAX_ fields and it did not show up.

    Interesting.
    Joseph R.P. Maloney, CSP,CDP,CCP
    'The answer is 42'

  6. #6
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    Tim...
    OCP DBA 7.3, 8, 8i, 9i, 10g, 11g
    OCA PL/SQL Developer
    Oracle ACE Director
    My website: oracle-base.com
    My blog: oracle-base.com/blog

  7. #7
    Join Date
    Jun 2002
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    You can also use auditing to audit the number of connections made take a look in the admin manual. Just make sure AUD$ doesn't get to big by deleting info that is say three months out of date from it. AUD$ is in the SYSTEM tablespace after all.

    Although you can also move AUD$ to another tablespace this is supported by Oracle.

  8. #8
    Join Date
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    Originally posted by TimHall
    Sounds like you need v$license :

    http://otn.oracle.com/docs/products/...ch377.htm#5370
    I am looking for the maximum number of sessions reached since the database has been created, not since the instance started.

    Thanks
    Ronnie
    ronnie_yours@yahoo.com

    You can if you think you can.

  9. #9
    Join Date
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    Originally posted by jrpm
    Thanks for the input on v$resource_limit. I looked, I thought for all MAX_ fields and it did not show up.

    Interesting.
    Doesn't it show MAX_UTILIZATION col?

    Sam
    ------------------------
    To handle yourself, use your head. To handle others, use your heart

  10. #10
    Join Date
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    Probably you cannot find it unless you start tracking the sessions programatically.
    Sridhar R Patnam

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