Alter system set events '1460 trace name errorstack off';
Hi,
if I issue :
alter system set events '1460 trace name errorstack off';
Is there any query that can make me sur and help me to see the value of events '1460' ?
Thank you.
Is there any query that can make me sur and help me to see the value of events '1460' ?No one, because you turned off the trace level.
Nicolas.
Similar Messages
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Alter system set events '1460 trace name errorstack level 10';
Hi,
If I issue :
alter system set events '1460 trace name errorstack level 10';
How can I come back after operation ?
Thank you.SQL> alter system set events '1460 trace name errorstack level 10';
System altered.
SQL> alter system set events '1460 trace name off';
alter system set events '1460 trace name off'
ERROR at line 1:
ORA-02194: event specification syntax error 230 (minor error 213) near 'OFF'
SQL> alter system set events '1460 trace name errorstack off';
System altered. -
Help with "alter system set events = '1000 trace name ERRORSTACK level 3'"
Hello.
I am trying to find out wich sql code is creating the error ORA-01000 in my application (database release is 9.2.0.7). I have read this http://www.orafaq.com/node/758 and there they suggest doing this:
Sometimes you will need to get a full stack trace of the problem by setting a trace for ORA-1000 as in:
alter system set events = '1000 trace name ERRORSTACK level 3'
or...
alter session set events = '1000 trace name ERRORSTACK level 3'
Then set open_cursors to a low enough number to catch the open cursor voilator in your net.I have no idea about this traces, so these are my questions:
1. Do those commands force a trace every time the ORA-01000 errors rises in every session? (I have forced the ORA-01000 error in one sqplusl session after I wrote "alter session set events = '1000 trace name ERRORSTACK level 3'" in another sqlplus session)
2. What does level 3 mean?
3. I see that in the dump/user directory I have several trace files, how can I know which error traces are enabled in my db?
4. How do I disable the traces once I find out to solve the problem?
5. How do I identify in the traces the ORA-1000 error?
Thanks in advance.Thanks for all the answers.
What am I doing bad? I have tried ti find out what traces are enabled, and there seems to be none.
SQL> r
1 DECLARE
2 OUT BINARY_INTEGER;
3 BEGIN
4 DBMS_OUTPUT.put_line ('Init');
5
6 FOR i IN 1 .. 20000
7 LOOP
8 SYS.DBMS_SYSTEM.read_ev (i, OUT);
9
10 IF (OUT <> 0)
11 THEN
12 DBMS_OUTPUT.put_line ('i: ' || i || '; ' || OUT);
13 END IF;
14 END LOOP;
15
16 DBMS_OUTPUT.put_line ('End');
17* END;
Init
EndBut, otherwise, there are trc files which have been modfiied recently? I seems as if this procedure can't detect all the tracles enabled:
(oracle)mano1re(principal)$ ls -lt *.trc | more
-rw-r----- 1 oracle dba 348294 jul 14 18:35 reflex_ora_11706.trc
-rw-r----- 1 oracle dba 997820 jul 9 16:32 reflex_ora_15766.trc
-rw-r----- 1 oracle dba 399571 jul 3 15:23 reflex_ora_25955.trc
-rw-r----- 1 oracle dba 1637069 jun 9 15:34 reflex_ora_19742.trc
PL/SQL procedure successfully completed. -
Enabling alter system set events '1422 trace name errorstack level 1'
Hello, please i need some help:
I need to set events '1422 trace name errorstack level 1',
where does this sentence generate the trace logs?.
Once collected the information how do i disable it?
Thanks in advance.Normally user dumps are written to the udump database parameter destination. See v$spparameter or v$parameter.
You can set the level to "0" (zero) to set tracing off.
HTH -- Mark D Powell -- -
Hi all,
I'm using a 10.2.0.4 Oracle version.
My colleague active trace generation using: alter system set events '942 trace name errorstack level 3';
How can I know if this is active now? And, How can I deactivate it?
Regards,
dbajugHow can I know if this is active now?To get all events set at system level, try and check trace file created in USER_DUMP_DEST directory:
alter system set events 'immediate trace name events level 4';
And, How can I deactivate it?Try:
alter system set events '942 trace name errorstack off'; -
Alter system set events Question
Version 10202 on AIX
sql> alter system set events '4030 trace name heapdump level 536870917; name errorstack level 3';
Questions about this statement..
what this command is doing, i guess creating tracefile for event 4030...& the location of trace file would be the current direcotry?
& how to setup same kind of event trace for other events, any tips....& what to check in tracefile for problem?The values for level I have record are 1, 2, 3, 8, and 32 so I am guessing the number shown is the address of a specific heap to be dumped. The address of a heap would potentially change with a change in the shared pool storage parameters. Where did you get the address value?
The dump should go to the user background dump destination and not the current directory.
PS - if you have metalink look at document: #218105.1 Introduction to ORACLE Diagnostic EVENTS
HTH -- Mark D Powell --
Message was edited by: MDP add PS to Metalink Doc
mpowel01 -
Alter system or alter session set events
Can we use interchangeably alter session or alter system set events?
Thank you.DBA-ES wrote:
For example this statement
alter session set events '8103 trace name errorstack level 3';
Can it be done at the system level? How to check it?Sure it can be,
SQL*Plus: Release 11.2.0.1.0 Production on Fri Oct 21 15:32:54 2011
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> alter session set events '8103 trace name errorstack level 3';
Session altered.
SQL> alter system set events '8103 trace name errorstack level 3';
System altered.
SQL>And to check, for the alter system , the statement would be logged in the alert log,
Fri Oct 21 15:31:46 2011
OS Pid: 4656 executed alter system set events '8103 trace name errorstack level 3'
D:\app\aristadba\diag\rdbms\orcl112\orcl112\trace>sqlplus / as sysdbaHTH
Aman.... -
Is it risky to use statement : "alter session set events"
Hi guys,
I am extracting data from cxml documents.
I had to run the following code "EXECUTE IMMEDIATE ('alter session set events ''31156 trace name context forever, level 2'''); " to disable the DTD validation...b4 running any xml extract function on it.
Example:
CREATE OR REPLACE FUNCTION f_test (
p_cxml IN CLOB
RETURN BOOLEAN
AS
l_payload varchar2(100);
l_cXML sys.xmltype := sys.xmltype.createXML(p_cxml);
BEGIN
EXECUTE IMMEDIATE ('alter session set events ''31156 trace name context forever, level 2''');
SELECT EXTRACTVALUE(l_cXML,'/cXML/@payloadID')
INTO l_payload
FROM DUAL;
RETURN TRUE;
DBMS_OUTPUT.PUT_LINE (l_payload);
EXCEPTION
WHEN OTHERS
THEN
DBMS_OUTPUT.PUT_LINE (SQLCODE || ' - '||SQLERRM);
RETURN FALSE;
END;
The vlaue of the parameter p_cxml could be
p_cXML clob:=
'<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE cXML SYSTEM "http://xml.cXML.org/schemas/cXML/1.2.021/Fulfill.dtd">
<cXML payloadID="[email protected]"
timestamp="2000-10-12T18:39:09-08:00" xml:lang="en-US">
<Request deploymentMode="test">
<OrderRequest>
<OrderRequestHeader orderID="DO1234" orderDate="2000-10-12T18:41:29-08:00"
type="new">
<Total>
<Money currency="USD">187.60</Money>
</Total>
<ShipTo>
<Address>
<Name xml:lang="en">Acme</Name>
<PostalAddress name="default">
<DeliverTo>Joe Smith</DeliverTo>
<DeliverTo>Mailstop M-543</DeliverTo>
<Street>123 Anystreet</Street>
<City>Sunnyvale</City>
<State>CA</State>
<PostalCode>90489</PostalCode>
<Country isoCountryCode="US">United States
</Country>
</PostalAddress>
</Address>
</ShipTo>
</OrderRequestHeader>
</OrderRequest>
</Request>
</cXML>';
It is seems to be working.......................
MY QUESTION IS...
Is there any risk Involved to Using the
EXECUTE IMMEDIATE ('alter session set events ''31156 trace name context forever, level 2'''); statment.
Any Help will be greatly appreciated.
Thanks.Most "set events" are workarounds or needed for Oracle support to do some debugging. Using them is at your own risk, and probably not supported by Oracle if you get into trouble.
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How can I check and change the system set events trace level?
Dear all:
How can I check the system set events trace level? I don't want the alert_log so big.
Regards
TerryHi Terry;
Please check :
How to determine which system events are currently being set? [ID 845043.1]
How To List All The Named Events Set For A Database [ID 436036.1]
How to set EVENTS in the SPFILE [ID 160178.1]
Also check:
http://www.dba-oracle.com/t_grid_rac_events_in_Oracle.htm
http://www.akadia.com/services/ora_events.html
Hope it helps
Regard
Helios -
"Alter system set command" in a RAC database!!
Hi, all.
The database is (10.2.0.2.0) 2- node RAC database on 32-bit windows 2003
EE SP1.
I issued the following command on Node 1 database.
--> Alter system set db_block_buffers= xxx sid='rac1';
I was able to see "PE enqueue" in top 5 wait event section from an AWR report.
In addition, I was able to find "PZ99","PZ98" process dump file in BDUMP.
Soon later, I could find CKPT and DBWR hung.
Is there anyone who experienced this issue?
Thanks and Regards.
Message was edited by:
user50729010.2.0.2 has some bug which is fixed 10.2.0.3
You check sequence cache. If it has less value, increase it to 10000.
select CACHE_SIZE from dba_sequences where SEQUENCE_OWNER='SYS' and SEQUENCE_NAME='AUDSES$';
SQL> alter sequence sys.audses$ cache 10000;
Ashok -
Question on alter system set cluster_database = true
11.2.0.2.0 windows 2008
doing a restore to a development RAC I noticed the following. I took the database out of cluster mode on one instance
alter system set cluster_database=false scope=spfile sid='PRD1';
shutdown, start up, do the restore, all good, I go to set cluster_Database=true but had issue instance would only start on one node, I reviewed my notes and found problem was when I set cluster_Database back to true I had typed
alter system set cluster_database=true scope=spfile sid='*';
instead of
alter system set cluster_database=true scope=spfile sid='PRD1';
So issue fixed.
I retested and confirmed '*' wont take. Ive seen many examples of '*' working online and I am sure I have used '*' many times so had just typed it off my head. Anyone explain? probably quotes or something.Any chance there are multiple lines for cluster_database in the spfile ?I had thought maybe this, but confirmed no, it was a fresh build anyway that I was restoring to.
>
- Dump the spfile to a pfile ... edit ... recreate the spfile on all nodes.
>
Im not sure what this will achieve? the spfile is shared on the ASM.
>
As the cluster_database=true is a parameter to enable the RAC configuration. As you typed sid='*' it will try to enable the cluster_database parameter in all the instances(nodes) as it is RAC.
In your case as you did on a single node by specifiying the sid name it will work as it will look only for that sid and enable that particular node.
>
I find this hard to read but I think this misinterprets as well.
Thanks for the contribution. I think Ive found the solution
the asterisk doesnt apparently mean actually "all instances", from here
http://www.comp.dit.ie/btierney/oracle11gdoc/rac.111/b28254/admin.htm#BCEFICEE
and
"Setting SPFILE Parameter Values for Oracle Real Application Clusters"
-- this is a good example of what happened to me
>
*.OPEN_CURSORS=500
prod1.OPEN_CURSORS=1000
Note:
The value before the dot in an SPFILE entry identifies the instance to which the particular parameter value belongs. When an asterisk precedes the dot, the value is applied to all instances that do not have a subsequent, individual value listed in the SPFILE.
For the instance with the Oracle system identifier (SID) prod1, the OPEN_CURSORS parameter is set to 1000 even though it has a database-wide setting of 500. Parameter file entries that have the asterisk (*) wildcard character only affect the instances without an instance-specific entry. This gives you control over parameter settings for instance prod1. These two types of settings can appear in any order in the parameter file.
If another DBA runs the following statement, then Oracle updates the setting on all instances except the instance with SID prod1:
ALTER SYSTEM SET OPEN_CURSORS=1500 sid='*' SCOPE=MEMORY;
>
so when I was on node 1 and ran it for *, I was setting it for all the nodes except the node I was on which holds true from what Ive seen. I'll remember that one. -
Alter system set shared_pool_size extremely slow.
I am trying to increase my shared_pool_size from 60m to 200m by simply typing alter system set shared_pool_size=200m;
I did alter system flush shared_pool; before to clear out the current shared_pool.
I'm on 9i and my SGA_MAX_SIZE is 3g and I have plenty room to grow.
show sga
Total System Global Area 3222769016 bytes
Fixed Size 744824 bytes
Variable Size 2382364672 bytes
Database Buffers 838860800 bytes
Redo Buffers 798720 bytes
My event in v$session_wait is background parameter adjustment.
Any help would be appreciated. I know that I can bounce the server and let it read it from the init.ora. However, I'm trying to fix some current 4031s in my shared pool. The flush did fix them temporarily.Are you sure your instance was in the state you thought it was ? This is what you reported from show sga:
Total System Global Area 3222769016 bytes
Fixed Size 744824 bytes
Variable Size 2382364672 bytes
Database Buffers 838860800 bytes
Redo Buffers 798720 bytesYou say your shared_pool_size is 60M and you want to grow it to 200M, but the Variable Size in the output above suggests that your shared pool had already grown to about 2.3 GB, so your command would have been trying to shrink it quite dramatically. (And 9i isn't very good at shrinking the shared pool because of the problems of pinned and "KEEP"ed objects in the library cache.
Things to check (from another session):
v$sga_current_resize_ops to see if your resize operation is still running, and what it's trying to do.
v$sga_resize_ops to see i f your resize operation completed some time ago - leaving your session stuck somewhere else. (There's a convenient query I wrote against this view published here: http://jonathanlewis.wordpress.com/2007/04/16/sga-resizing/ )
v$session_wait (for the resize session) to see if the session is waiting or working
v$sesstat (for the resize session) to see if it gives you any clues about current activity
Regards
Jonathan Lewis
http://jonathanlewis.wordpress.com
http://www.jlcomp.demon.co.uk -
Alter system set control_files
when we use this command to multiplex the control files
should we list all the current controls files as well the copied once If yes ,should i performe alter database backup controlfile to trace command ?
Thanks in AdvanceIf you are working in Oracle8i you can not apply that exact command. That exact command is applicable from Oracle9i. I clarify: The comand ALTER SYSTEM SET ... exists prior to 9i but in 8i that parameter is not dinamic. In order to modify that parameter you have to do so:
1.- Realize what controlfiles you have
2.- Apply the command with the controlfiles that you have additioning the new controlfiles to duplicate. You have to apply this command with SCOPE=SPFILE;
3.- Shutdown the database
4.- Copy the controlfiles with OS
5.- Start the database
Joel Pérez
http://otn.oracle.com/experts -
ALTER SYSTEM SET SGA_TARGET
Hi,
in 10g R2 should I stop/start database when I change sGA_TARGET :
ALTER SYSTEM SET SGA_TARGET=value [SCOPE={SPFILE|MEMORY|BOTH}]
Thank you.user522961 wrote:
OK.
When I query V$PARAMETER I have the OLD value for SGA_TARGET. It is normal because the value in V$PARAMETER comes from starting and spfile. How can I be sur that now oRACLE uses the new value for SGA_TARGET effectively ?
Thanks again.Not sure I understand your question. If you set SGA_TARGET with SCOPE=MEMORY or BOTH, it should be in effect immediately.
SQL> alter system set sga_target=253M scope=both;
System altered.
SQL> select value bytes, value/1048576 MB from v$parameter where name = 'sga_target';
BYTES MB
268435456 256
SQL> show parameter sga
NAME TYPE VALUE
lock_sga boolean FALSE
pre_page_sga boolean FALSE
sga_max_size big integer 512M
sga_target big integer 256M
SQL> alter system set sga_target=257M scope=both;
System altered.
SQL> select value bytes, value/1048576 MB from v$parameter where name = 'sga_target';
BYTES MB
272629760 260
SQL> show parameter sga
NAME TYPE VALUE
lock_sga boolean FALSE
pre_page_sga boolean FALSE
sga_max_size big integer 512M
sga_target big integer 260M
SQL> -
ALTER SYSTEM SET SGA_TARGET = 0 scope=spfile; not working
SQL> ALTER SYSTEM SET SGA_TARGET = 0 scope=spfile;
System altered.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup;
ORACLE instance started.
Total System Global Area 2121256960 bytes
Fixed Size 2243280 bytes
Variable Size 1140852016 bytes
Database Buffers 973078528 bytes
Redo Buffers 5083136 bytes
Database mounted.
Database opened.
SQL> show parameters sga
NAME TYPE VALUE
lock_sga boolean FALSE
pre_page_sga boolean FALSE
sga_max_size big integer 2032M
sga_target big integer 0
SQL> create pfile=#/home/oracle/per03pfile' from spfile;
pfile has
*.sga_max_size=0
*.sga_target=0
and
instance1.__sga_target=2130706432
instance2.__sga_target=2130706432
tried ALTER SYSTEM SET SGA_TARGET = 0 scope=spfile sid='*'; aswell ...
oracle v11.2.0.2
GI 11.2.0.2
linux 64 bitChinar wrote:
user9198889 wrote:
SQL> ALTER SYSTEM SET SGA_TARGET = 0 scope=spfile;
System altered.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup;
ORACLE instance started.
Total System Global Area 2121256960 bytes
Fixed Size 2243280 bytes
Variable Size 1140852016 bytes
Database Buffers 973078528 bytes
Redo Buffers 5083136 bytes
Database mounted.
Database opened.
SQL> show parameters sga
NAME TYPE VALUE
lock_sga boolean FALSE
pre_page_sga boolean FALSE
sga_max_size big integer 2032M
sga_target big integer 0
SQL> create pfile=#/home/oracle/per03pfile' from spfile;
pfile has
*.sga_max_size=0
*.sga_target=0
and
instance1.__sga_target=2130706432
instance2.__sga_target=2130706432
tried ALTER SYSTEM SET SGA_TARGET = 0 scope=spfile sid='*'; aswell ...
oracle v11.2.0.2
GI 11.2.0.2
linux 64 bitWhile SGA_MA_SIZE <> 0 then it seems SHARED MEMORY constructed according this setting.So it is not recommended to avoid automatic shared memory management.But if you decide this then you have to identify SHARED_PLOOL_SIZE,DB_CACHE_SIZE(in additionally LOG_BUFFER and LARGE_POOL) parameter manually and
ALTER SYSTEM SET SGA_TARGET=o scope=spfile and ALTER SYSTEM SET SGA_MAX_SIZE=o scope=spfile and restart database again.SQL> alter system set sga_max_size=0 scope=spfile sid='instance1';
System altered.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup;
ORACLE instance started.
SQL> show parameters sga
NAME TYPE VALUE
lock_sga boolean FALSE
pre_page_sga boolean FALSE
sga_max_size big integer 2032M
sga_target big integer 0
SQL>
has it got todo with AMM being enabbled?
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