Server Administration :: Large Number Of Trace File Generation In Bdump
May 7, 2010
We are facing one issue on one of the database. The database is generating large trace files(14000) from last two days. That consumes around 15G space on the disk. And the content of the trace files is not having any meaningful message to debug:
cat /apps/oracle/admin/fs90uat/bdump/fs90uat_p050_23966.trc
*** TRACE DUMP CONTINUES IN FILE /apps/oracle/admin/fs90uat/bdump/fs90uat_p050_23966.trc ***
Dump file /apps/oracle/admin/fs90uat/bdump/fs90uat_p050_23966.trc
*** TRACE DUMP CONTINUED FROM FILE /apps/oracle/admin/fs90uat/bdump/fs90uat_p050_23966.trc ***
... (Many lines with above message)
The alert log is having one repeated error yesterday:
Thu May 6 22:00:03 2010
Errors in file /apps/oracle/admin/fs90uat/bdump/fs90uat_j000_11811.trc:
ORA-12012: error on auto execute of job 2647927
ORA-04063: ORA-04063: package body "ORACLE_OCM.MGMT_DB_LL_METRICS" has errors
ORA-06508: PL/SQL: could not find program unit being called: "ORACLE_OCM.MGMT_DB_LL_METRICS"
ORA-06512: at line 1
The corresponding trace file is having error:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORACLE_HOME = /apps/oracle/product/10.2.0/db_1
System name: SunOS
Node name: corpqadb30
[Code] .......
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Oct 24, 2011
We have Oracle 10g(10.2.0.4) RAC on AIX 5.3, there are 3 RAC instances on each node.From Oct 9th, we found one of the instance in node 1 generated a large size trace files in udump. The largest size of the trace file take up 3G. But there's only about 15G $ORACLE_BASE direcotry. After some time, we should delete some trace files for releasing the space.
Here is a part of alert log when this issue happen:
Sun Oct 9 23:18:15 2011
Errors in file /oracle/app/oracle/admin/bzywk/udump/bzywk1_ora_3166258.trc:
ORA-00600: internal error code, arguments: [17087], [0x70000010DF9F580], [], [], [], [], [], []
Sun Oct 9 23:18:16 2011
Trace dumping is performing id=[cdmp_20111009231816]
[code]....
I checked with some trace files, I found all these files contains a huge info of processes.
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Aug 20, 2010
redo generation. As I found the below statement in another forum."Undo segment generates the redo data also, because undo segment is database changes, so it generates the redo data also."
How a Undo segment can generate Redo and Undo datas.
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Sep 19, 2011
Is there any way I can find out what caused the database to crash; either a history of commands executed within the database, I lost my bdump directory before the scheduled backup ran and the only logs available are after I re-created the directory.
SQL> startup
ORA-00444: background process "PMON" failed while starting
ORA-07446: sdnfy: bad value '' for parameter .
SQL>
[code]....
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May 15, 2013
Here is my situation.
1. I generate file_name through a function.
2. File name like File_DD_MM_YY_FLXXX.
3. Now this FLXXX is the filenumber. It will be 1 for the 1st run of the day and for each of the new run it will be +1. Again next day it will start from 1.
So right now I am using a sequence and resetting it at 12 AM to 0. Is it a good approach to solve the scenario?
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Feb 9, 2011
I need to export large number of records from select into the text file. It's about 2milion records.I can do it by PLSQL (see below) where executing of process takes time too much. How to export to text file faster?
DECLARE
fileid UTL_FILE.file_type;
BEGIN
fileid := UTL_FILE.fopen ('VRS_CEM', 'cust.txt', 'W');
UTL_FILE.put ( fileid, 'IMSI|MSISDN|CONTRACT');
UTL_FILE.NEW_LINE(fileid);
[code]....
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Jul 17, 2012
SQL> select checkpoint_change#,controlfile_change# from v$database;
CHECKPOINT_CHANGE# CONTROLFILE_CHANGE#
------------------ -------------------
203454 204955
what's the difference between checkpoint_change# and controlfile_change#.
what's the checkpoint_change# use for ? does it use for recover ?
what's the controlfile_change# use for ?
when the controlfile_change# will be increase ?
SQL> select controlfile_sequence# from v$database;
CONTROLFILE_SEQUENCE#
---------------------
293
Qs.) what is controlfile_sequence# ?
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Mar 28, 2012
We are facing a different issue in our database. From yesterday night, the archive log generated with 5 digit. But it supposed to be 6 digit. Hence we are not able to apply the logs in DR Location.
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Jan 18, 2012
I have a question on export dump file generation.
select sum(bytes)/(1024*1024*1024) "GB" from dba_segments where owner='JACK';
The above select query give the output of Schema size with 15 GB. When i perform the same schema export, the dump file size generating is 2 GB. What is the difference between the two scenarios as how come there could be a variation in file size?
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Mar 16, 2012
on weekends we have too many archive logs generated .i have taken the data of a week and found that average archive log generated from monday to friday is 7 files per day but on satuarday and sunday the average is 60 files and FG1 gets full. on weekends we have all type of backups running like incremental,archival and logical backups and on sunday we have full physical backup
what is the reason of too many archive log files generations at weekends. is it due to hot and logical backups , if yes then how ?
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Jul 26, 2010
I have oracle 9i running on HP-UX, I would like to find how much redo we are generating in a given period of time, is there any script that I can use to get this information?
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Jan 7, 2013
Redo is getting generated very high. how to find out the reason ? database kept under 2 node cluster. chcked alert log trace and log writer trace files. pasted the content as below:
--alert log trace from node1 ( node2 also has same type of message ). Archive destination disk group - TXCOM_BACKUP_01 having enough space ( 80gb )
Mon Jan 7 00:49:10 2013
Thread 1 advanced to log sequence 448546 (LGWR switch)
Current log# 1 seq# 448546 mem# 0: +TXCOM_DATA_01/txcom/onlinelog/group_1.274.785770579
Current log# 1 seq# 448546 mem# 1: +TXCOM_DATA_01/txcom/onlinelog/group_1.302.802265189
Mon Jan 7 00:49:10 2013
[code]...
In the alert log, I am able to see the archive destination disk group ( TXCOM_BACKUP_01 ) is getting DISMOUNTED and again getting MOUNTED during every archive file generation. .
Mon Jan 7 00:49:20 2013
SUCCESS: diskgroup TXCOM_BACKUP_01 was mounted
SUCCESS: diskgroup TXCOM_BACKUP_01 was dismounted
SUCCESS: diskgroup TXCOM_BACKUP_01 was mounted
SUCCESS: diskgroup TXCOM_BACKUP_01 was dismounted
archive destination parameter in both nodes are not configured. it should read diskgroup name. ( +TXCOM_BACKUP_01 ) and corresponding size limit. Should i configure this ?
SQL> show parameter db_recovery
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_recovery_file_dest string
db_recovery_file_dest_size big integer 0
[code]...
should i bring the database to mount stage and set log_archive_max_proesses to high count ? now value is 2 ( default )
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Sep 14, 2010
We had our production database hosted on Oracle 9.2.0. Few months back we have migrated it to Oracle 10.2.0.4.0. After Migration I have noticed that redo generation has become very very high. In earlier case no. of log files generating in production hours were around 30 where as after migration it become around 200 files per day. I have run statspack report on this database. Report is saying that db block change & disk write is become very high. Parameter timed_statistics has also been set to FALSE. Even then there is not any reduction on no. of log file generation. I had used import export for upgrading the databases.
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Jul 23, 2010
I am trying to generate dynamic control file, as the files I want to upload are coming from different source and their name is constantly changing but following a fix pattern and naming convention.
I am able to generate dynamic control file through SQL. But while calling from BATCH file, i am unable to sent the file name as parameter.
All the examples i have searched are for UNIX, how to do it with BATCH File in WINDOWS.
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Jan 6, 2011
I am trying to get a readable version of a .trc file generated by Oracle
10.2.0.4.0 with tkprof, but I still have been unable to get this done...and this is what I have already tried:
tkprof /u00/app/oracle/admin/DB/udump/*BITN1234.trc /batch/salidas/student/BITNTRACE.txt
And whether I run this from my PL/SQL process (PRO*C) or from a command line, it returns:
TKPROF: Release 10.2.0.4.0 - Production on Thu Jan 6 11:04:38 2011
Copyright (c) 1982, 2007, Oracle. All rights reserved.
could not open trace file /u00/app/oracle/admin/DB/udump/BITN1234.trc
I have already (from my PRO*C code and from command line)...
- made sure that the file is in the directory.
- run this from the udump directory, where the .trc file is...didn't work.
- run this from the udump directory, and specifying explicitely the
complete path anyway in the tkprof line (redundant...I know)...didn't work.
- tried to copy the file to another directory in order to run the tkprof,
and it returns:
cp: BITN1234.trc: The file access permissions do not allow the specified
action.
- tried changing privileges with:
chmod a+r BITN1234.trc
and it returns:
chmod: BITN1234.trc: Operation not permitted.
- tried to run tkprof01 instead of tkprof and it returns:
We trust you have received the usual lecture from the local System Administrator. It usually boils down to these two things:
#1) Respect the privacy of others.
#2) Think before you type.
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Oct 21, 2011
i am using oracle 10g on solaris 10 os.currently archived log is generated by size wise 52 mb.i want to know whar is the best practice for archive log generation . it should be time interval or size wise.
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Jul 29, 2011
It always used to be that Automatic Memory Management and Linux huge pages were incompatible: you had to use one or the other. But 11.2.0.2 has new parameter, USE_LARGE_PAGES. This isn't documented apart from a few articles on metalink, but Googling it suggests that if it is on TRUE (the default) or ONLY then I can use AMM with huge pages.
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Sep 4, 2011
I have a problem some user modified the objects and now objects became invalid .How to trace the ip address and operating system username and service ip who modified the objects?
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Mar 22, 2012
I am facing problem in user_dump_dest directory...I have noticed that there are a lot of trace files with huge size in MBs.I clean it and after 4 days there are 40G of size..
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Feb 19, 2011
Here is script of tables
Quote:drop table p;
create table p (qty number(3), beg_no number(5));
insert into p values(5, 110);
insert into p values(8, 786);
drop table s;
create table s (used_no number(5));
insert into s values(111);
insert into s values(113);
insert into s values(791);
Table p: it has ticket quantity and ticket begining number. Thus according to first record ticket number will begin at 110 and will end at 110+5 (Beg_no +qty). According to second record ticket number will begin at 786 and will end at 786+8 (Beg_no +qty). This table can have many records.
Table s: it has ticket numbers which are sold. The ticket will always be any number from table and will lay in any record in this format between beg_no and beg_no+qty
Required: I want "p MINUS s" information. i.e.
Quote:
110
112
114
786
787
788
789
790
792
793
I am not expert in level by command.
Oracle version: 9
OS: Windows XP
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Feb 27, 2013
Need to generate auto number as below
A00001 to A99999. After A99999 it should begin with B00001 and ends with B99999. till Z99999 we need to generate.
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Jul 26, 2010
I am using following Procedure/function for inserting DATA into New table:
PROCEDURE NEMPID IS
OFFICER CHAR(1) := '0';
OFFICIAL CHAR(1) := '9';
CURSOR DOJSUP IS
[Code]....
Get/Retrieved data from personal and cat9 files and Inserted Data stored in file NEMP as
EMP_ID NEMP_ID
------- ---------
111 01-8722
132 01-9224
88 01-8318
114 01-8717
106 01-8517
[Code]....
I want also generate a sequence/serial number for same category/designation of personals/employees exist in personal file ?
Like 001, 002 ,003 at the end of NEMPID field.
EMP_ID NEMP_ID
------- ---------
111 01-8722-001
132 01-9224-002
88 01-8318-003
114 01-8717-004
[Code]....
HOW CAN GENERATE SEQUENCE/SERIAL NUMBER OF SAME CATEGORY EMPLOYEES AND INSERT INTO TABLE NEMP?
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Aug 24, 2011
i an using this code to generate invoice numbers auntomatically:
declare
po number;
pi number;
begin
[code]...
Problem is it does not increment after 10.
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Jun 2, 2010
I have created simple data block by wizard and taken tabular layout 10 rows and 6 columns
i want to generate serial number on first column .....
what need to use..?
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Apr 12, 2010
Im generating a csv file using TEXT_IO Utility.The file generated contains one blank line at the last record.Say there is 10 records. Open the generated csv file in notepad and move the cursor down. After 10 records, the cursor will move down one more time.
How to avoid that blank line as im using cursor in my script. The script is attached below.
Version:
Oracle 9i Database
Oracle Forms 6i
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Dec 6, 2011
I have written a Java class which generate and place the XML file in a particular location. This the java class is loaded into Oracle using the loadjava command. When I call the sql java procedure java classn will be called and the XML file is generating.
But my problem is with xml header i.e in the header it is getting as
<?xml version = '1.0' encoding = 'UTF-8'?>
Where as I am generating the xml file from by just java call instead from Oracle the header is as follows
<?xml version="1.0" encoding="UTF-8" ?>
I am thinking that this could be reason with different jar using Oracle side.
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Jun 6, 2008
Give me the pls / sql trigger code to generate an xml file for a table.Say for example employees table.
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Nov 29, 2012
I have a query that returns 11 Million rows but not all of them can be displayed in SQLDeveloper or DBVisualizer because of limited memory or other type of issues. I need to copy the entire result set to excel for further calculations.
Is there any way that i can select N number of rows out of my actual result set.
For example:
a) A result set contains 10 Million rows in total.
b) I want to display first 5 Million rows by executing a query
c) Then I want to display the remaining 5 Million rows by executing the query again with any parameter changes.
So all I want is to extract the rows of my actual result set in two or more executions, depending on the number of rows.
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Sep 4, 2012
What is the first term in the Fibonacci sequence to contain 1000 digits?
DECLARE
f_num INTEGER;
n_num INTEGER;
h_num INTEGER;
[code]...
why I am getting this error?? Is there any problem in my code??
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Feb 14, 2012
POWER(47.3616, 27.1261) returns: 2.80403309600359E45 which causes "number precision too large" error in my variable which is defined as NUMBER(20,20).
I've tried ROUNDing and TRUNCing the product, but still get the same long output. The only thing that seems to work is SUBSTR.
Is that the ONLY way to deal with this? It seems like there would be a better way or is there another type I should use these super long decimal results?
SQL> SELECT POWER(47.3616, 27.1261) AS Exp_Val
2 FROM dual;
EXP_VAL
----------
2.8040E+45
SQL>
[code].....
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