2026-03-12 20:23:15

2026-03-12 21:23:47 +01:00
parent eab4b36eca
commit 93039b8489
3332 changed files with 699614 additions and 0 deletions
--- a/mhouri/UndoHist.sql
+++ b/mhouri/UndoHist.sql
@@ -0,0 +1,69 @@
+-----  ./MohamedUndoHist.sql ------------------------
+/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+Author : Mohamed Houri
+Date   : 02/03/2020
+Scope  : comments to be added here
+       : check historical undo, particularly ORA-01555
+       : input dates have to be changed as a subtition parameters
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
+col snap_begin  	    format a25
+col maxquerysqlid 	    format a15
+col maxquerylen         format 9999999
+col txncount            format 9999999
+col ora_01555  	        format 99
+col undoblks 	        format 9999999
+col undoConsump         format 9999999
+col tuned_undoretention format 9999999
+col activeblks          format 9999999
+col unexpiredblks       format 9999999
+col expiredblks         format 9999999
+
+compute sum label 'Total Unexpired' of unexpiredblks on report
+break   on report
+SELECT 
+       snap_begin
+      ,maxquerysqlid
+      ,maxquerylen
+      ,txncount
+      ,unxpstealcnt
+      ,unxpblkrelcnt
+      ,unxpblkreucnt
+      ,expstealcnt
+      ,expblkrelcnt
+      ,expblkreucnt
+      ,nospaceerrcnt
+      ,ssolderrcnt ora_01555
+      ,round(undoblks * 8 / 1024) undo_mb
+	  ,tuned_undoretention
+      ,activeblks
+      ,unexpiredblks
+      ,expiredblks      
+    FROM
+     (SELECT
+           sn.begin_interval_time snap_begin
+		  ,sn.instance_number inst
+          ,st.maxquerylen
+          ,st.maxquerysqlid
+          ,st.unxpstealcnt
+          ,st.unxpblkrelcnt
+          ,st.unxpblkreucnt
+          ,st.expstealcnt
+          ,st.expblkrelcnt
+          ,st.expblkreucnt
+          ,st.ssolderrcnt
+          ,st.nospaceerrcnt
+		  ,st.txncount
+          ,st.undoblks
+		  ,st.tuned_undoretention
+          ,st.activeblks
+          ,st.unexpiredblks
+          ,st.expiredblks            
+      FROM 
+           dba_hist_undostat st,
+           dba_hist_snapshot sn
+     WHERE st.snap_id = sn.snap_id    
+     AND   begin_interval_time between to_date('06032020 04:00:00','ddmmyyyy hh24:mi:ss')
+                               and     to_date('09032020 07:00:00','ddmmyyyy hh24:mi:ss')
+     )  
+   ORDER by 1 asc, 3 desc;
+