34 lines
1.6 KiB
MySQL
34 lines
1.6 KiB
MySQL
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SET ECHO off
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REM ------------------------------------------------------------------------
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REM REQUIREMENTS:
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REM Needs to be run as SYS
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REM ------------------------------------------------------------------------
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REM AUTHOR:
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REM Virag Saksena, Oracle Corporation
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REM (c)1996 Oracle Corporation
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REM ------------------------------------------------------------------------
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REM PURPOSE:
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REM Reports statistics about the buffers in the SGA. It will print
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REM the information about the types of buffers in the SGA, how many of
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REM them are on the dirty queue and how many are not.
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REM ------------------------------------------------------------------------
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REM DISCLAIMER:
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REM This script is provided for educational purposes only. It is NOT
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REM supported by Oracle World Wide Technical Support.
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REM The script has been tested and appears to work as intended.
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REM You should always run new scripts on a test instance initially.
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REM ------------------------------------------------------------------------
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REM Main text of script follows:
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set numf 9,999,999,999
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set lines 100
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col class form A10
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select decode(greatest(class,10),10,decode(class,1,'Data',2
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,'Sort',4,'Header',to_char(class)),'Rollback') "Class",
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sum(decode(bitand(flag,1),1,0,1)) "Not Dirty",
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sum(decode(bitand(flag,1),1,1,0)) "Dirty",
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sum(dirty_queue) "On Dirty",count(*) "Total"
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from x$bh
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group by decode(greatest(class,10),10,decode(class,1,'Data',2
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,'Sort',4,'Header',to_char(class)),'Rollback')
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/
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