qbuffer_cache_advisory.sql

set pages 128
set lines 128

column c1 heading ‘Cache Size (m)’ format 999,999,999,999
column c2 heading ‘Buffers’ format 999,999,999
column c3 heading ‘Estd Phys|Read Factor’ format 999.90
column c4 heading ‘Estd Phys| Reads’ format 999,999,999

select
size_for_estimate c1,
buffers_for_estimate c2,
estd_physical_read_factor c3,
estd_physical_reads c4
from
v$db_cache_advice
where
name = ‘DEFAULT’
and
block_size = (SELECT value FROM V$PARAMETER
WHERE name = ‘db_block_size’)
and
advice_status = ‘ON’;

 

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