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resource manager - FORCE plan behavior

$
0
0
oracle@enkdb03.enkitec.com:/home/oracle/dba/karao/scripts/exabook:dbm011
$ cat rmplan.sh
#!/bin/bash

while :; do
sqlplus "/ as sysdba" <<! &
spool rmplan.txt append
@rmplan.sql
exit
!
sleep 20
echo
done

oracle@enkdb03.enkitec.com:/home/oracle/dba/karao/scripts/exabook:dbm011
$ cat rmplan.sql
set colsep ','
set lines 300
col "Parameter" FOR a40
col "Session Value" FOR a20
col "Instance Value" FOR a20
col "Description" FOR a50
SELECT TO_CHAR(sysdate,'MM/DD/YY HH24:MI:SS') tm, a.ksppinm "Parameter", b.ksppstvl "Session Value", c.ksppstvl "Instance Value", a.ksppdesc "Description"
FROM x$ksppi a, x$ksppcv b, x$ksppsv c
WHERE a.indx = b.indx AND a.indx = c.indx
AND substr(ksppinm,1,1) <> '_'
AND a.ksppinm = 'resource_manager_plan'
/



$ cat rmplan.txt | grep resource_manager_plan | awk '{print $4}' | sort | uniq | less
,DEFAULT_PLAN
,FORCE:pq_critical
FORCE:pq_critical

TM               ,Parameter                               ,Session Value       ,Instance Value      ,Description

-----------------,----------------------------------------,--------------------,--------------------,--------------------------------------------------
09/23/14 05:53:24,resource_manager_plan                   ,DEFAULT_PLAN        ,DEFAULT_PLAN        ,resource mgr top plan

TM               ,Parameter                               ,Session Value       ,Instance Value      ,Description
-----------------,----------------------------------------,--------------------,--------------------,--------------------------------------------------
10/05/14 06:00:07,resource_manager_plan                   ,FORCE:pq_critical   ,FORCE:pq_critical   ,resource mgr top plan

TM               ,Parameter                               ,Session Value       ,Instance Value      ,Description
-----------------,----------------------------------------,--------------------,--------------------,--------------------------------------------------
10/06/14 06:48:53,resource_manager_plan                   ,FORCE:pq_critical   ,FORCE:pq_critical   ,resource mgr top plan



Sun Oct 05 06:00:01 2014
Setting Resource Manager plan SCHEDULER[0x4449]:DEFAULT_MAINTENANCE_PLAN via scheduler window
Setting Resource Manager plan DEFAULT_MAINTENANCE_PLAN via parameter
Sun Oct 05 06:00:03 2014
Begin automatic SQL Tuning Advisor run for special tuning task  "SYS_AUTO_SQL_TUNING_TASK"
Sun Oct 05 06:00:07 2014
TABLE SYS.WRI$_OPTSTAT_HISTHEAD_HISTORY: ADDED INTERVAL PARTITION SYS_P597 (41916) VALUES LESS THAN (TO_DATE(' 2014-10-06 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GRE
GORIAN'))
TABLE SYS.WRI$_OPTSTAT_HISTGRM_HISTORY: ADDED INTERVAL PARTITION SYS_P600 (41916) VALUES LESS THAN (TO_DATE(' 2014-10-06 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREG
ORIAN'))
End automatic SQL Tuning Advisor run for special tuning task  "SYS_AUTO_SQL_TUNING_TASK"

Mon Oct 06 22:00:10 2014
Thread 1 advanced to log sequence 226 (LGWR switch)
  Current log# 2 seq# 226 mem# 0: +DATA/DW/ONLINELOG/group_2.333.857614663
  Current log# 2 seq# 226 mem# 1: +RECO/DW/ONLINELOG/group_2.311.857614663
Tue Oct 07 05:12:42 2014
Thread 1 advanced to log sequence 227 (LGWR switch)
  Current log# 1 seq# 227 mem# 0: +DATA/DW/ONLINELOG/group_1.361.857614663
  Current log# 1 seq# 227 mem# 1: +RECO/DW/ONLINELOG/group_1.335.857614663
Tue Oct 07 13:00:12 2014
Thread 1 advanced to log sequence 228 (LGWR switch)
  Current log# 2 seq# 228 mem# 0: +DATA/DW/ONLINELOG/group_2.333.857614663
  Current log# 2 seq# 228 mem# 1: +RECO/DW/ONLINELOG/group_2.311.857614663
Tue Oct 07 21:00:14 2014
Thread 1 advanced to log sequence 229 (LGWR switch)
  Current log# 1 seq# 229 mem# 0: +DATA/DW/ONLINELOG/group_1.361.857614663
  Current log# 1 seq# 229 mem# 1: +RECO/DW/ONLINELOG/group_1.335.857614663
Tue Oct 07 22:00:00 2014
Setting Resource Manager plan SCHEDULER[0x4444]:DEFAULT_MAINTENANCE_PLAN via scheduler window
Setting Resource Manager plan DEFAULT_MAINTENANCE_PLAN via parameter
Tue Oct 07 22:00:01 2014
Begin automatic SQL Tuning Advisor run for special tuning task  "SYS_AUTO_SQL_TUNING_TASK"
Tue Oct 07 22:00:05 2014
TABLE SYS.WRI$_OPTSTAT_HISTHEAD_HISTORY: ADDED INTERVAL PARTITION SYS_P617 (41918) VALUES LESS THAN (TO_DATE(' 2014-10-08 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
TABLE SYS.WRI$_OPTSTAT_HISTGRM_HISTORY: ADDED INTERVAL PARTITION SYS_P620 (41918) VALUES LESS THAN (TO_DATE(' 2014-10-08 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
End automatic SQL Tuning Advisor run for special tuning task  "SYS_AUTO_SQL_TUNING_TASK"

Mon Oct 27 22:00:00 2014
Setting Resource Manager plan SCHEDULER[0x4443]:DEFAULT_MAINTENANCE_PLAN via scheduler window
Setting Resource Manager plan DEFAULT_MAINTENANCE_PLAN via parameter
Mon Oct 27 22:00:02 2014
Begin automatic SQL Tuning Advisor run for special tuning task  "SYS_AUTO_SQL_TUNING_TASK"
Mon Oct 27 22:00:07 2014
TABLE SYS.WRI$_OPTSTAT_HISTHEAD_HISTORY: ADDED INTERVAL PARTITION SYS_P878 (41938) VALUES LESS THAN (TO_DATE(' 2014-10-28 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GRE
GORIAN'))
TABLE SYS.WRI$_OPTSTAT_HISTGRM_HISTORY: ADDED INTERVAL PARTITION SYS_P881 (41938) VALUES LESS THAN (TO_DATE(' 2014-10-28 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREG
ORIAN'))
Mon Oct 27 22:00:17 2014
Thread 1 advanced to log sequence 375 (LGWR switch)
  Current log# 1 seq# 375 mem# 0: +DATA/DW/ONLINELOG/group_1.361.857614663
  Current log# 1 seq# 375 mem# 1: +RECO/DW/ONLINELOG/group_1.335.857614663
End automatic SQL Tuning Advisor run for special tuning task  "SYS_AUTO_SQL_TUNING_TASK"


11:00:22 SYS@dw1> select sysdate from dual;

SYSDATE
-----------------
20141029 11:00:30


11:00:35 SYS@dw1> show parameter resource

NAME                                 TYPE        VALUE
------------------------------------ ----------- ----------------------------------------------------------------------------------------------------
resource_limit                       boolean     TRUE
resource_manager_cpu_allocation      integer     24
resource_manager_plan                string      FORCE:pq_critical


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