2026-03-12 20:23:15

vdh/io_history_stats.sql

@@ -0,0 +1,24 @@
+set linesize 200
+
+column snap_time format a20
+column instance_number format 99 heading IN
+column snap_id format 99999 heading ID
+column tsname format a10
+column wait_count format 99999 heading WC
+column time format 999999
+
+break on instance_number skip 2 on snap_time skip 1 on snap_id
+
+select to_char(snap.begin_interval_time, 'DD/MM/YYYY HH24:MI:SS') snap_time, 
+       snap.instance_number, snap.snap_id,
+       stat.tsname, stat.file#, stat.block_size, stat.phyrds, stat.phywrts, 
+       stat.singleblkrds, stat.readtim, stat.writetim, stat.singleblkrdtim, 
+       stat.phyblkrd, stat.phyblkwrt, stat.wait_count, stat.time
+from dba_hist_snapshot snap, dba_hist_filestatxs stat
+where snap.snap_id = stat.snap_id
+      and snap.instance_number = stat.instance_number
+      and snap.dbid = stat.dbid
+      and begin_interval_time between 
+            to_timestamp('15/10/2008 00:00', 'DD/MM/YYYY HH24:MI')
+            and to_timestamp('15/10/2008 12:00', 'DD/MM/YYYY HH24:MI')
+order by snap.dbid, snap.instance_number, snap.snap_id;