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Re: Is buffer gets same as logical reads?

From: Anjo Kolk <anjo_at_oraperf.com>
Date: Tue, 20 Aug 2002 14:13:30 -0800
Message-ID: <F001.004BA830.20020820141330@fatcity.com>


Could it be that you confuse the logical with physical reads ?

Anjo.

On Tuesday 20 August 2002 14:13, you wrote:
> Hi all,
>
> Statspack report for a query is the following
>
> Statspack report CCMP 8-Aug.
>
> Buffer Gets Executions Gets per Exec % Total
> Hash Value
> --------------- ------------ -------------- -------
> ------------
> 2,396,079 61 39,280.0 16.6
> 2618625321
> SELECT
> PLE.IDN_ENTITY_LEGAL_PROVR,TPLE.NAM_BUSNS,TPLE.NAM_FIRST
> ,TPLE.NAM_MI,TPLE.NAM_LAST,TPLE.NAM_SUFFIX,TPLE.NBR_PHONE,TPLE.N
>
> I did an explain plan for the same and the logical
> blocks read count is 272. I do not understand how the
> Buffer Gets in 61 executions can be 2.3 million. My
> understanding is that buffer gets is the same as
> logical block reads.
>
> Any ideas why this is reported this way?
> Thanks in advance.
>
>
>
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Author: Anjo Kolk
  INET: anjo_at_oraperf.com

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Received on Tue Aug 20 2002 - 17:13:30 CDT

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