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Former Member

how to identify Programmes / Trasactions / Reports causing DB growth rapidl

Dear friends,

<b>some times</b> our database grows immediately and all the Archive log files gets filled up and system hangs.

How to identify what are all the <b>Programmes / transactions</b> / updates that are making the<b> databse to grow at an abnormal rate</b>.

if so then how to fix the problem.

Thank u.

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  • author's profile photo Former Member
    Former Member
    Posted on Nov 30, 2007 at 06:02 PM

    Hello Siva Prasad,

    You want to know why some times you have high number of redo logs? if yes refer SAP Note 584548!

    You can particularly see the point number 4 of this note to identify the changes on the object which resulted redo logs.

    Regards,

    Madhukar

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  • author's profile photo Former Member
    Former Member
    Posted on Nov 30, 2007 at 07:21 PM

    Hi,

    If archive are filling up:

    1) Is the DB/Tablespace in hot mode?

    2) Look for sessions using lots of ublk and urec

    SELECT s.sid, s.serial#, s.username, s.program,

    t.used_ublk, t.used_urec

    FROM v$session s, v$transaction t

    WHERE s.taddr = t.addr

    ORDER BY 5 desc, 6 desc, 1, 2, 3, 4;

    Another relatively simple approach could be to keep track of your Tablespace Growth in DB02.

    For the Tablespaces that have high growth rates, double click and this will bring back size data for tables/indexes in that tablespace.

    You can then click on the History to see the historical growth of the tables/indexes.

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