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Home -> Community -> Mailing Lists -> Oracle-L -> RE: ORA-04031
Ok seems attachements don't make it..
Put this in a .sql file and fire it up. Haven't checked if it need 9i
upgrading but I think it should be
Be of value.
rem pins.sql - Lists all packages and in-memory objects.
Brian Spears ... See below
spool c:\dba\lst\pins.txt
column executions format 999,999,999;
column Mem_used format 999,999,999;
col name format a30 wrap col KEPT_YN format a12 wrap;
PROMPT =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
PROMPT Column Numbers to Sort on: Most common is 4 - Executions
PROMPT
PROMPT . 2 3 4 5 6 PROMPT . TYPE Owner Executions Mem_used Kept? =20PROMPT =
select substr(owner,1,10) Owner
,substr(type,1,12) Type
,substr(name,1,60) Name
,executions
,sharable_mem Mem_used
,substr(' '||kept||' ',1,12) KEPT_YN
from V$DB_OBJECT_CACHE
,'PROCEDURE'
,'PACKAGE BODY'
,'PACKAGE'
,'SEQUENCE')
PROMPT Mem_used <--- Large should be PROMPT Kept? <--- Missing any ?
spool off
-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Spears, Brian
Sent: Wednesday, July 14, 2004 12:01 PM
To: oracle-l_at_freelists.org
Subject: RE: ORA-04031=20
Here is my handy dandy script to help you quickly see which packages you
could pin... Cursor_sharing=3Dsimilar...often vastly reduces the amount =
of
memory used as well.
Brian Spears
-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Powell, Mark D
Sent: Wednesday, July 14, 2004 11:18 AM
To: 'oracle-l_at_freelists.org'
Subject: RE: ORA-04031=20
>> It is currently set at 4400 - how much lower would I need to go???? >> <<
>From experience I think the answer depends on how large the requests that are failing happen to be. If you routinely get errors trying to find small chunks then your shared pool then it is badly fragmented and you should look at large pl/sql and cursors that have reloads. Pinning one or two large objects can have a very beneficial effect when you suffer from 04031 errors. If the errors normally occur on chunks larger than 4400 then you need more reserved pool and/or again to pin large pl/sql packages.
We have worked a half-dozen 04031 related iTARs that support acknowledge trace to Oracle memory management bugs . Pinning packages, reducing the size of objects considered large, and increasing the space reserved for large objects is the best you can do if your application follows the code paths that hit these bugs.
Then you have poor application design in relation to how Oracle works,
namely, failure to use reusage SQL. The cursor_sharing =3D similar =
might
be an option. Force produced unacceptable side effects for us on 8.1.7+
so we have not tried it on 9.2. If you have SQL reuse issues then 9+
option might be available to you.
IMHO -- Mark D Powell --
-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of
Paula_Stankus_at_doh.state.fl.us
Sent: Wednesday, July 14, 2004 10:28 AM
To: oracle-l_at_freelists.org
Subject: RE: ORA-04031=20
Platform:
Oracle 9.2.0.5
Solaris 2.9
ArcSDE 8.3
I am running a DSS - geodatabase with 30 concurrent users. I am getting
=3D ORA-04031 errors.
I have verified that last_failure_size > shared_pool_reserved_min_alloc.
=3D According to Note: 146599.1 it states that I should increase the =
=3D
hidden parameter "_shared_pool_reserved_min_alloc" to lower the number =
=3D
of objects being cached. =3D20
It is currently set at 4400 - how much lower would I need to go????
It also states I should consider increasing the =3D
shared_pool_reserved_size and shared_pool_size but these parameters seem
=3D adequate to me:
40M for shared_pool_size
4M for shared_pool_reserved_size
I have gone through NOTE: 1012046.6 "Calculating Shared Pool size" and
=3D based on that my shared_pool_size is more than adequate.
How can I more specifically size the shared pool, shared reserved pool =
=3D
as I know that if I size too large then I can start incurring overhead.
-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Ruth Gramolini
Sent: Wednesday, July 14, 2004 8:41 AM
To: oracle-l_at_freelists.org
Subject: RE: rman nocatalog - point in time recovery
Sometimes I find it is just expedient to use sqlplus to open the =3D
database. Sometimes, there is no other way. Rman is still a work in
progress and =3D it has been seriously improved since the 8.0.5... days
but when you are =3D doing incomplete recovery and it seems to want a =
redo
log instead of an =3D archived log, then I have found, sqlplus recover
the way you did it is the =3D easiest way. Even Oracle support has told
me this.
HTH,
Ruth
-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Schauss, Peter
Sent: Tuesday, July 13, 2004 4:44 PM
To: oracle-l_at_freelists.org
Subject: RE: rman nocatalog - point in time recovery
This may not be the cleanest solution, but it worked:
rman
run {
set until logseq=3D3D1235 thread =3D3D1;
allocate channel ch1 type disk; allocate channel ch2 type disk; allocate channel ch3 type disk;
sqlplus internal
sqlplus> recover database until cancel using backup controlfile; alter
sqlplus> database open resetlogs; exit;
Is there a better way to do this?
thanks,
Peter Schauss
-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Schauss, Peter
Sent: Tuesday, July 13, 2004 4:12 PM
To: Oracle-L (E-mail)
Subject: rman nocatalog - point in time recovery
Enviroment: Oracle 8.1.7.4 / AIX 5.2
Scenario:
I restore my control files by copying them to the appropriate =3D directories on the disk (e.g. /ora1/oradata/sid/control01.ctl ... /ora2/... =3D /ora3/...).
I run the following commands in rman
run {
set until logseq=3D3D1234 thread=3D3D1;
allocate channel ch1 type disk; allocate channel ch2 type disk; allocate channel ch3 type disk;
Oracle says:
RMAN-03002: failure during compilation of command RMAN-03013: command type: set RMAN-06003: ORACLE error from target database: RMAN-20206: log sequence
What am I missing here?
Thanks,
Peter Schauss
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