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2026-03-12 21:23:47 +01:00
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vg/sp_sb_sga_sizedetails.sql Normal file
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@@header
set term off
/*
*
* Author : Vishal Gupta
* Purpose : Display SGA breakdown history from statspack data
*
* Revision History:
* ===================
* Date Author Description
* --------- ------------ -----------------------------------------
* 05-Aug-07 Vishal Gupta First Draft
*/
set term on
COLUMN snap_time HEADING "Snap Time" FORMAT a18
COLUMN total HEADING "TotalSGA||(MB)" FORMAT 9,999,999
COLUMN buffercache HEADING "BufferCache||(MB)" FORMAT 9,999,999
COLUMN sharedpooltotal HEADING "SharedPool|Allocated|(MB)" FORMAT 9,999
COLUMN sharedpoolfree HEADING "SharedPool|Free|(MB)" FORMAT 9,999
COLUMN javapooltotal HEADING "JavaPool|Allocated|(MB)" FORMAT 9,999
COLUMN javapoolfree HEADING "JavaPool|Free|(MB)" FORMAT 9,999
COLUMN largepooltotal HEADING "LargePool|Allocated|(MB)" FORMAT 9,999
COLUMN largepoolfree HEADING "LargedPool|Free|(MB)" FORMAT 9,999
COLUMN streamspooltotal HEADING "StreamsPool|Allocated|(MB)" FORMAT 9,999
COLUMN streamspoolfree HEADING "StreamsPool|Free|(MB)" FORMAT 9,999
COLUMN fixedsga HEADING "FixedSGA||(MB)" FORMAT 9,999
COLUMN logbuffer HEADING "LogBuffer||(MB)" FORMAT 9,999
SELECT TO_CHAR(A.snap_time,'DD-MON-YY HH24:MI:SS') snap_time
, ROUND(sum(bytes)/1024/1024) total
, ROUND(sum(DECODE(pool,null, DECODE(name,'buffer_cache',bytes,0),0))/1024/1024) buffercache
, ROUND(sum(DECODE(pool,'shared pool', bytes,0))/1024/1024) sharedpooltotal
, ROUND(sum(DECODE(pool,'shared pool', DECODE(name,'free memory',bytes,0),0))/1024/1024) sharedpoolfree
, ROUND(sum(DECODE(pool,'java pool', bytes,0))/1024/1024) javapooltotal
, ROUND(sum(DECODE(pool,'java pool', DECODE(name,'free memory',bytes,0),0))/1024/1024) javapoolfree
, ROUND(sum(DECODE(pool,'large pool', bytes,0))/1024/1024) largepooltotal
, ROUND(sum(DECODE(pool,'large pool', DECODE(name,'free memory',bytes,0),0))/1024/1024) largepoolfree
, ROUND(sum(DECODE(pool,'streams pool', bytes,0))/1024/1024) streamspooltotal
, ROUND(sum(DECODE(pool,'streams pool', DECODE(name,'free memory',bytes,0),0))/1024/1024) streamspoolfree
, ROUND(sum(DECODE(pool,null, DECODE(name,'fixed_sga',bytes,0),0))/1024/1024) fixedsga
, ROUND(sum(DECODE(pool,null, DECODE(name,'log_buffer',bytes,0),0))/1024/1024) logbuffer
FROM stats$SGAstat B, stats$SNAPSHOT A
WHERE A.db_unique_name = B.db_unique_name
AND A.instance_name = B.instance_name
AND A.SNAP_ID = B.SNAP_ID
and A.snap_time > sysdate - &&1
group by A.db_unique_name
, A.instance_name
, A.snap_time
ORDER BY SNAP_TIME asc;
set echo off
@@footer