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vg/sp_ts_stats_10g.sql Normal file
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@@header
set term off
/*
*
* Author : Vishal Gupta
* Purpose : Display Tablespace IO statistics from statspack data
* To Do : 1 - Ajust script for
* Arguments: 1 - Tablespace Name, you can password wild characters like %
* 2 - Number of days of data to consider
* 3 - DBID
* 4 - instance_number
*
* Revision History:
* ===================
* Date Author Description
* --------- ------------ -----------------------------------------
* 05-Jan-09 Vishal Gupta First Draft
*/
set term on
define tablespace_name="&&1"
define days="&&2"
define dbid="&&3"
define instance_number="&&4"
WITH filestatxs
as
(select f.dbid, f.instance_number, f.snap_id, s.snap_time
, f.tsname, f.file#, f.filename
, DECODE( f.singleblkrds - LAG (f.singleblkrds ) OVER (ORDER BY f.dbid, f.instance_number, f.snap_id, f.tsname, f.file#)
, 0, 0
, ( ( f.singleblkrdtim - LAG (f.singleblkrdtim) OVER (ORDER BY f.dbid, f.instance_number, f.snap_id, f.tsname, f.file#) )
/ ( f.singleblkrds - LAG (f.singleblkrds ) OVER (ORDER BY f.dbid, f.instance_number, f.snap_id, f.tsname, f.file#) )
) * 10
) singleblkreadtime
, DECODE( f.phyrds - LAG (f.phyrds ) OVER (ORDER BY f.dbid, f.instance_number, f.snap_id, f.tsname, f.file#)
, 0, 0
, ( ( f.readtim - LAG (f.readtim) OVER (ORDER BY f.dbid, f.instance_number, f.snap_id, f.tsname, f.file#) )
/ ( f.phyrds - LAG (f.phyrds ) OVER (ORDER BY f.dbid, f.instance_number, f.snap_id, f.tsname, f.file#) )
) * 10
) readtime
, DECODE( f.phywrts - LAG (f.phywrts ) OVER (ORDER BY f.dbid, f.instance_number, f.snap_id, f.tsname, f.file#)
, 0, 0
, ( ( f.writetim - LAG (f.writetim) OVER (ORDER BY f.dbid, f.instance_number, f.snap_id, f.tsname, f.file#) )
/ ( f.phywrts - LAG (f.phywrts ) OVER (ORDER BY f.dbid, f.instance_number, f.snap_id, f.tsname, f.file#) )
) * 10
) writetime
, f.singleblkrds - LAG (f.singleblkrds ) OVER (ORDER BY f.dbid, f.instance_number, f.snap_id, f.tsname, f.file#) singleblkreads
, f.phyrds - LAG (f.phyrds ) OVER (ORDER BY f.dbid, f.instance_number, f.snap_id, f.tsname, f.file#) reads
, f.phywrts - LAG (f.phywrts ) OVER (ORDER BY f.dbid, f.instance_number, f.snap_id, f.tsname, f.file#) writes
from stats$database_instance i
, stats$snapshot s
, stats$filestatxs f
where (i.dbid, i.instance_number,i.startup_time) in (select max(dbid), instance_number, max(startup_time)
from stats$database_instance i2
where i2.dbid = &dbid
and i2.instance_number = &instance_number
group by instance_name, instance_number
)
and s.dbid = i.dbid
and s.instance_number = i.instance_number
and f.dbid = s.dbid
and f.instance_number = s.instance_number
and f.snap_id = s.snap_id
and s.dbid = &dbid
and s.instance_number = &instance_number
and s.snap_time > sysdate - &days
and f.tsname like '&tablespace_name' )
select f2.snap_time
, f2.tsname
, ROUND(avg(singleblkreadtime),2) "AvgSingleBlockRead(ms)"
, ROUND(avg(readtime),2) "AvgRead(ms)"
, ROUND(avg(writetime),2) "AvgWrite(ms)"
, SUM(singleblkreads) tot_singleblkreads
, SUM(reads) - SUM(singleblkreads) tot_multiblkreads
, SUM(reads) tot_reads
, SUM(writes) tot_writes
from filestatxs f2
group by f2.snap_time, f2.tsname
order by f2.snap_time desc
;
@@footer