2026-03-12 20:23:15

vg/sga_summary.sql

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