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Re: free buffers in buffer cache

From: Igor Neyman <ineyman_at_perceptron.com>
Date: Mon, 05 May 2003 06:02:02 -0800
Message-ID: <F001.0058F588.20030505060202@fatcity.com>


select count(*) from v$bh where status = 'free';

Igor Neyman, OCP DBA
ineyman_at_perceptron.com   

> i tried it but no luck...
>
> SQL> desc v$bh
> Name Null? Type
> ----------------------------------------- -------- -------------
> FILE# NUMBER
> BLOCK# NUMBER
> CLASS# NUMBER
> STATUS VARCHAR2(4)
> XNC NUMBER
> FORCED_READS NUMBER
> FORCED_WRITES NUMBER
> LOCK_ELEMENT_ADDR RAW(4)
> LOCK_ELEMENT_NAME NUMBER
> LOCK_ELEMENT_CLASS NUMBER
> DIRTY VARCHAR2(1)
> TEMP VARCHAR2(1)
> PING VARCHAR2(1)
> STALE VARCHAR2(1)
> DIRECT VARCHAR2(1)
> NEW CHAR(1)
> OBJD NUMBER
> TS# NUMBER
>
> -----Original Message-----
> Sent: Monday, May 05, 2003 4:37 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Arvind:
>
> Check X$BH for status=0, i.e count(*) from X$BH where status=0.
>
>
>
> =====
> Have a nice day !!
> ------------------------------------------------------------
> Best Regards,
> K Gopalakrishnan,
> Bangalore, INDIA.
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: K Gopalakrishnan
> INET: kaygopal_at_yahoo.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Igor Neyman
  INET: ineyman_at_perceptron.com

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Received on Mon May 05 2003 - 09:02:02 CDT

Original text of this message

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