2026-03-12 20:23:15

tpt/imu.sql

@@ -0,0 +1,37 @@
+-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
+-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
+
+--------------------------------------------------------------------------------
+--
+-- File name:   im.sql
+-- Purpose:     Display In-Memory Undo (IMU) buffer usage
+--
+-- Author:      Tanel Poder
+-- Copyright:   (c) http://www.tanelpoder.com
+--              
+-- Usage:       @im.sql
+--          
+-- Other:       Does only show IMU buffers currently bound to a transaction
+--              If you want to see all currently available IMU buffers,
+--              remove the WHERE condition
+--
+--------------------------------------------------------------------------------
+
+prompt Display private in-memory undo (IMU) buffers currently in use in the instance...
+
+SELECT 
+       KTIFPNO, 
+       KTIFPSTA,
+       KTIFPXCB         XCTADDR,
+       KTIFPUPB         UBADDR,
+       TO_NUMBER(KTIFPUPE, 'XXXXXXXXXXXXXXXX')-TO_NUMBER(KTIFPUPB, 'XXXXXXXXXXXXXXXX')      UBSIZE,
+       (TO_NUMBER(KTIFPUPB, 'XXXXXXXXXXXXXXXX')-TO_NUMBER(KTIFPUPC, 'XXXXXXXXXXXXXXXX'))*-1 UBUSAGE,
+       KTIFPRPB         RBADDR,
+       TO_NUMBER(KTIFPRPE, 'XXXXXXXXXXXXXXXX')-TO_NUMBER(KTIFPRPB, 'XXXXXXXXXXXXXXXX')      RBSIZE,
+       (TO_NUMBER(KTIFPRPB, 'XXXXXXXXXXXXXXXX')-TO_NUMBER(KTIFPRPC, 'XXXXXXXXXXXXXXXX'))*-1 RBUSAGE,
+       KTIFPPSI,
+       KTIFPRBS,
+       KTIFPTCN
+FROM X$KTIFP
+WHERE KTIFPXCB != HEXTORAW('00')
+/