37 lines
1.7 KiB
MySQL
37 lines
1.7 KiB
MySQL
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-- +----------------------------------------------------------------------------+
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-- | Jeffrey M. Hunter |
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-- | jhunter@idevelopment.info |
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-- | www.idevelopment.info |
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-- |----------------------------------------------------------------------------|
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-- | Copyright (c) 1998-2011 Jeffrey M. Hunter. All rights reserved. |
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-- |----------------------------------------------------------------------------|
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-- | DATABASE : Oracle |
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-- | FILE : perf_shared_pool_memory.sql |
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-- | CLASS : Tuning |
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-- | PURPOSE : Query the total memory in the Shared Pool and the amount of |
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-- | free memory. |
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-- | NOTE : As with any code, ensure to test this script in a development |
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-- | environment before attempting to run it in production. |
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-- +----------------------------------------------------------------------------+
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SET LINESIZE 145
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SET PAGESIZE 9999
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COLUMN value FORMAT 999,999,999,999 HEADING "Shared Pool Size"
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COLUMN bytes FORMAT 999,999,999,999 HEADING "Free Bytes"
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COLUMN percentfree FORMAT 999 HEADING "Percent Free"
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SELECT
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TO_NUMBER(p.value) value
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, s.bytes bytes
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, (s.bytes/p.value) * 100 percentfree
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FROM
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v$sgastat s
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, v$parameter p
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WHERE
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s.name = 'free memory'
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AND s.pool = 'shared pool'
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AND p.name = 'shared_pool_size'
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/
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