Growing Oracle DB taking long time to backup!

Dear Experts,
Our Database (BI) has grown upto 900 GB in nearly one year. Given that time frame, weekly offline backup inreased since the database is growing.
I was reading few posts and some search and came to know that the backup should not take that long. My backup is running over 12 hours. As per few blogs, article, and search, backup speed can be 4TB per hour. In my case, this is not the case.
I'm backing up locally in the file system with a different NFS mount.
What would be the best approach to take to reduce the number of hours is currently taking? I'm compressing the backup. Should I spilit the backups? Is it even possible? If yes, would it help in my case? Should I not compress it?
Your help is really appreciated!
Thanks,

What type of tuning or what knid of steps can I take to enhance the speed in SAN storage?
I really cannot help you there, if you feel the performance is not good enough then talk to your SAN/network admins.
[Parallel Backup|http://help.sap.com/saphelp_nw70/helpdata/en/88/a2a041a5d4af4db168992639d65d3b/frameset.htm] and [Split Mirror Backup|http://help.sap.com/saphelp_nw70/helpdata/en/68/b72d86db13c642bb6e17b83b75f598/frameset.htm] are not the same.
By the way looking up the link to the documentation i stumbled on [Backup of Large Oracle Databases|http://help.sap.com/saphelp_nw70/helpdata/en/b5/a25ac61a115d47b072dc79b299bc13/frameset.htm]. However most of the content has already been discussed here. So maybe you stick to the advice from Markus to try rman first. I was not to add more confusion. I just wanted to add, that there are ways to improve backup speed if your database grows larger.
Kind regards, Michael

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Try 10.7.5 supplemental update.
This update seems to have solved this problem for many.
Best.

Why oracle text index column taking long time

why oracle text index column is taking long time to return result.I created text index on a column if I run the query on a single table result is very fast.If I join table with other table (10 records only )
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SQL*Plus: Release 9.2.0.1.0 - Production on Wed Jan 28 16:54:22 2009
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
Connected to:
Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.1.0 - Production
SQL> set timing on
SQL> set linesize 180
SQL> explain plan for SELECT T.esongid FROM (SELECT A.ESONGID FROM wcmedeco.EDECO_ESONGS_TERR_CTRY
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2 GROUP BY A.ESONGID)K,T
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Elapsed: 00:00:00.01
SQL> select *from table(dbms_xplan.display);
PLAN_TABLE_OUTPUT
| Id | Operation                      | Name                   | Rows | Bytes | Cost |
|   0 | SELECT STATEMENT               |                         |     1 |    26 |     4 |
|   1 | NESTED LOOPS                  |                         |     1 |    26 |     4 |
|   2 |   VIEW                         |                         |     1 |    13 |     4 |
|   3 |    SORT GROUP BY               |                         |     1 |    89 |     4 |
|   4 |     TABLE ACCESS BY INDEX ROWID| EDECO_ESONGS_TERR_CTRY |     1 |    89 |     2 |
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PLAN_TABLE_OUTPUT
Note: cpu costing is off, 'PLAN_TABLE' is old version
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Elapsed: 00:00:00.00
SQL> Regards,
Rajasekhar

You have not formatted your code properly so we cannot see the query you're executing. Please put some line breaks in.
Secondly, how fresh are the statistics on those tables? Are you really returning one record out of twenty million?
Cheers, APC
blog: http://radiofreetooting.blogspot.com

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Hi
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Hi,
I am in the process of testing error handling for my BPEL process.
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Hi,
Please find below the fault policy file:
<?xml version="1.0" encoding="UTF-8"?>
<faultPolicy version="2.0.1" id="TestFaultPolicy" xmlns:env="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://schemas.oracle.com/bpel/faultpolicy" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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Hi,
I'm working with EBS 11.5.10 CU2, I have Requisition Import program scheduled, usually it's completing normal in around 5minutes; but sometimes it's taking around 30 minutes to complete. I compared the output files of program completing normal and taking long time, latter one has processed less requisitions than former one.
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Thanks

945756 wrote:
Hi,
I'm working with EBS 11.5.10 CU2, I have Requisition Import program scheduled, usually it's completing normal in around 5minutes; but sometimes it's taking around 30 minutes to complete. I compared the output files of program completing normal and taking long time, latter one has processed less requisitions than former one.
Could somebody help what could be possible reasons to check for program to take long time to complete.
Please help.
ThanksDo you have the statistics collected up to date?
Please enable trace and generate the TKPROF file to find out why it takes that long -- https://forums.oracle.com/forums/search.jspa?threadID=&q=TKPROF+AND+Concurrent&objID=c3&dateRange=all&userID=&numResults=15&rankBy=10001
Thanks,
Hussein

Taking long time to execute views

Hi All,
my query is taking long time to execute(i am using standard views in my query)
XLA_INV_AEL_GL_V , XLA_WIP_AEL_GL_V -----these standard views itself taking long time to execute ,but i need the info from this views
WHERE gjh.je_batch_id = gjb.je_batch_id AND
gjh.je_header_id = gjl.je_header_id AND
gjh.je_header_id = xlawip.je_header_id AND
gjl.je_header_id = xlawip.je_header_id AND
gjl.je_line_num = xlawip.je_line_num AND
gcc.code_combination_id = gjl.code_combination_id AND
gjl.code_combination_id = xlawip.code_combination_id AND
gjb.set_of_books_id = xlawip.set_of_books_id AND
gjh.je_source = 'Inventory' AND
gjh.je_category = 'WIP' AND
gp.period_set_name = 'Accounting' AND
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gp.period_name = gjh.period_name AND
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[url http://forums.oracle.com/forums/thread.jspa?threadID=501834&tstart=0]When your query takes too long...

Problem with JSP taking long time to load.

Hi,
we have three server of oracle apps 10.1.3.
only on one server we are getting problem.
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This only happens in Photoshop 32 bit. Works fine in 64 bit.

Crystal reports for Eclipse (CR4E) - taking long time to load

HI
We have used your Crystal reports for Eclipse (CR4E) but it is taking long time to load if the record count is more than 3 million
Our architecture is we are using Oracle DB and web sphere application server both are running on SUN server,
If we buy original version it will work fast?
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You have 3 million records, this is going to take time to process. Also, you don't define what is meant by a long time. Are we talking a couple of minutes, or something more like 20 minutes?
The real question is, do you really need the report to bring back 3 million records? Could you do any filtering of the data to reduce the number of records being brought back? Also, 3 million records could vary. is each record a single field, or is it multiple. The more fields, the larger the result set.
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Query taking long time for EXTRACTING the data more than 24 hours

Hi ,
Query taking long time for EXTRACTING the data more than 24 hours please find the query and explain plan details below even indexes avilable on table's goe's to FULL TABLE SCAN. please suggest me.......
SQL> explain plan for select a.account_id,round(a.account_balance,2) account_balance,
2 nvl(ah.invoice_id,ah.adjustment_id) transaction_id,
to_char(ah.effective_start_date,'DD-MON-YYYY') transaction_date,
to_char(nvl(i.payment_due_date,
to_date('30-12-9999','dd-mm-yyyy')),'DD-MON-YYYY')
due_date, ah.current_balance-ah.previous_balance amount,
decode(ah.invoice_id,null,'A','I') transaction_type
3 4 5 6 7 8 from account a,account_history ah,invoice i_+
where a.account_id=ah.account_id
and a.account_type_id=1000002
and round(a.account_balance,2) > 0
and (ah.invoice_id is not null or ah.adjustment_id is not null)
and ah.CURRENT_BALANCE > ah.previous_balance
and ah.invoice_id=i.invoice_id(+)
AND a.account_balance > 0
order by a.account_id,ah.effective_start_date desc; 9 10 11 12 13 14 15 16
Explained.
SQL> select * from table(dbms_xplan.display);
PLAN_TABLE_OUTPUT
| Id | Operation | Name | Rows | Bytes |TempSpc| Cost (%CPU)|
| 0 | SELECT STATEMENT | | 544K| 30M| | 693K (20)|
| 1 | SORT ORDER BY | | 544K| 30M| 75M| 693K (20)|
|* 2 | HASH JOIN | | 544K| 30M| | 689K (20)|
|* 3 | TABLE ACCESS FULL | ACCOUNT | 20080 | 294K| | 6220 (18)|
|* 4 | HASH JOIN OUTER | | 131M| 5532M| 5155M| 678K (20)|
|* 5 | TABLE ACCESS FULL| ACCOUNT_HISTORY | 131M| 3646M| | 197K (25)|
| 6 | TABLE ACCESS FULL| INVOICE | 262M| 3758M| | 306K (18)|
Predicate Information (identified by operation id):
2 - access("A"."ACCOUNT_ID"="AH"."ACCOUNT_ID")
3 - filter("A"."ACCOUNT_TYPE_ID"=1000002 AND "A"."ACCOUNT_BALANCE">0 AND
ROUND("A"."ACCOUNT_BALANCE",2)>0)
4 - access("AH"."INVOICE_ID"="I"."INVOICE_ID"(+))
5 - filter("AH"."CURRENT_BALANCE">"AH"."PREVIOUS_BALANCE" AND ("AH"."INVOICE_ID"
IS NOT NULL OR "AH"."ADJUSTMENT_ID" IS NOT NULL))
22 rows selected.
Index Details:+_
SQL> select INDEX_OWNER,INDEX_NAME,COLUMN_NAME,TABLE_NAME from dba_ind_columns where
2 table_name in ('INVOICE','ACCOUNT','ACCOUNT_HISTORY') order by 4;
INDEX_OWNER INDEX_NAME COLUMN_NAME TABLE_NAME
OPS$SVM_SRV4 P_ACCOUNT ACCOUNT_ID ACCOUNT
OPS$SVM_SRV4 U_ACCOUNT_NAME ACCOUNT_NAME ACCOUNT
OPS$SVM_SRV4 U_ACCOUNT CUSTOMER_NODE_ID ACCOUNT
OPS$SVM_SRV4 U_ACCOUNT ACCOUNT_TYPE_ID ACCOUNT
OPS$SVM_SRV4 I_ACCOUNT_ACCOUNT_TYPE ACCOUNT_TYPE_ID ACCOUNT
OPS$SVM_SRV4 I_ACCOUNT_INVOICE INVOICE_ID ACCOUNT
OPS$SVM_SRV4 I_ACCOUNT_PREVIOUS_INVOICE PREVIOUS_INVOICE_ID ACCOUNT
OPS$SVM_SRV4 U_ACCOUNT_NAME_ID ACCOUNT_NAME ACCOUNT
OPS$SVM_SRV4 U_ACCOUNT_NAME_ID ACCOUNT_ID ACCOUNT
OPS$SVM_SRV4 I_LAST_MODIFIED_ACCOUNT LAST_MODIFIED ACCOUNT
OPS$SVM_SRV4 I_ACCOUNT_INVOICE_ACCOUNT INVOICE_ACCOUNT_ID ACCOUNT
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_ACCOUNT ACCOUNT_ID ACCOUNT_HISTORY
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_ACCOUNT SEQNR ACCOUNT_HISTORY
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_INVOICE INVOICE_ID ACCOUNT_HISTORY
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_ADINV INVOICE_ID ACCOUNT_HISTORY
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_CIA CURRENT_BALANCE ACCOUNT_HISTORY
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_CIA INVOICE_ID ACCOUNT_HISTORY
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_CIA ADJUSTMENT_ID ACCOUNT_HISTORY
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_CIA ACCOUNT_ID ACCOUNT_HISTORY
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_LMOD LAST_MODIFIED ACCOUNT_HISTORY
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_ADINV ADJUSTMENT_ID ACCOUNT_HISTORY
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_PAYMENT PAYMENT_ID ACCOUNT_HISTORY
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_ADJUSTMENT ADJUSTMENT_ID ACCOUNT_HISTORY
OPS$SVM_SRV4 I_ACCOUNT_HISTORY_APPLIED_DT APPLIED_DATE ACCOUNT_HISTORY
OPS$SVM_SRV4 P_INVOICE INVOICE_ID INVOICE
OPS$SVM_SRV4 U_INVOICE CUSTOMER_INVOICE_STR INVOICE
OPS$SVM_SRV4 I_LAST_MODIFIED_INVOICE LAST_MODIFIED INVOICE
OPS$SVM_SRV4 U_INVOICE_ACCOUNT ACCOUNT_ID INVOICE
OPS$SVM_SRV4 U_INVOICE_ACCOUNT BILL_RUN_ID INVOICE
OPS$SVM_SRV4 I_INVOICE_BILL_RUN BILL_RUN_ID INVOICE
OPS$SVM_SRV4 I_INVOICE_INVOICE_TYPE INVOICE_TYPE_ID INVOICE
OPS$SVM_SRV4 I_INVOICE_CUSTOMER_NODE CUSTOMER_NODE_ID INVOICE
32 rows selected.
Regards,
Bathula
Oracle-DBA

I have some suggestions. But first, you realize that you have some redundant indexes, right? You have an index on account(account_name) and also account(account_name, account_id), and also account_history(invoice_id) and account_history(invoice_id, adjustment_id). No matter, I will suggest some new composite indexes.
Also, you do not need two lines for these conditions:
and round(a.account_balance, 2) > 0
AND a.account_balance > 0
You can just use: and a.account_balance >= 0.005
So the formatted query isselect a.account_id,
       round(a.account_balance, 2) account_balance,
       nvl(ah.invoice_id, ah.adjustment_id) transaction_id,
       to_char(ah.effective_start_date, 'DD-MON-YYYY') transaction_date,
       to_char(nvl(i.payment_due_date, to_date('30-12-9999', 'dd-mm-yyyy')),
               'DD-MON-YYYY') due_date,
       ah.current_balance - ah.previous_balance amount,
       decode(ah.invoice_id, null, 'A', 'I') transaction_type
from account a, account_history ah, invoice i
where a.account_id = ah.account_id
   and a.account_type_id = 1000002
   and (ah.invoice_id is not null or ah.adjustment_id is not null)
   and ah.CURRENT_BALANCE > ah.previous_balance
   and ah.invoice_id = i.invoice_id(+)
   AND a.account_balance >= .005
order by a.account_id, ah.effective_start_date desc;You will probably want to select:
1. From ACCOUNT first (your smaller table), for which you supply a literal on account_type_id. That should limit the accounts retrieved from ACCOUNT_HISTORY
2. From ACCOUNT_HISTORY. We want to limit the records as much as possible on this table because of the outer join.
3. INVOICE we want to access last because it seems to be least restricted, it is the biggest, and it has the outer join condition so it will manufacture rows to match as many rows as come back from account_history.
Try the query above after creating the following composite indexes. The order of the columns is important:create index account_composite_i on account(account_type_id, account_balance, account_id);
create index acct_history_comp_i on account_history(account_id, invoice_id, adjustment_id, current_balance, previous_balance, effective_start_date);
create index invoice_composite_i on invoice(invoice_id, payment_due_date);All the columns used in the where clause will be indexed, in a logical order suited to the needs of the query. Plus each selected column is indexed as well so that we should not need to touch the tables at all to satisfy the query.
Try the query after creating these indexes.
A final suggestion is to try larger sort and hash area sizes and a manual workarea policy.alter session set workarea_size_policy = manual;
alter session set sort_area_size = 2147483647;
alter session set hash_area_size = 2147483647;

Sql code taking long time

Hello Everyone,
In Oracle 10g,I have table emp_history and column name hired_date,which has the
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Edited by: Gurujothi on Aug 3, 2012 4:21 AM

Do you have an index on HIRED_DATE column? If yes then your index will not be considered.
You need to write your query like this.
select *
from emp_history
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and ...;Use of function on a column makes that column index unusable.
Further to assist you please read the following link and post the required details
{message:id=9360003}

Delete statements are taking longer time

Hi All,
I have an issue with delete statement. below are my oracle DB details.
SQL>select * from v$version;
BANNER
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - 64bit Production
PL/SQL Release 11.1.0.6.0 - Production
CORE 11.1.0.6.0 Production
TNS for Linux: Version 11.1.0.6.0 - Production
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Can you please suggest me a approach and Thanks in advance.

Hari wrote:
and at the same time the delete session is also waiting for exclusive lock on those table. The only way the delete session could be waiting for an exclusive lock on the table is if the code to delete from the customer includes the command: lock table customer in exclusive mode;Unless your original description is wrong, either the deletion code has to change or the application has to stop modifying the customer table.
Regards
Jonathan Lewis
http://jonathanlewis.wordpress.com
Author: <b><em>Oracle Core</em></b>

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Hello,
Problem : SSRS Reports taking long time to load
My System environment : Visual Studio 2008 SP1 and SQL Server 2008 R2
Production Environment : Visual Studio 2008 SP1 and SQL Server 2008 R2
I have created a Parameterized report (6 parameters), it will fetch data from 1 table. table has 1 year and 6 months data,      I am selecting parameters for only 1 month (about 2500 records). It is taking almost 2 minutes and 30 seconds
to load the report.
This report running efficiently in my system (report load takes only 5 to 6 seconds) but in
production it is taking 2 minutes 30 seconds.
I have checked the Execution log from production so I found the timing for
Data retrieval (approx~)    Processing (approx~)           Rendering (approx~)
10 second                                  15 sec
        2 mins and 5 sec.
But Confusing point is that , if I run the same report at different time overall output time is same (approx) 2 min 30 sec but
Data retrieval (approx~)       Processing (approx~)                Rendering (approx~)
more than 1 min                            15 sec
more than 1 min
so 1 question why timings are different ?
My doubts are
1) If query(procedure to retrieve the data) is the problem then it should take more time always,
2) If Report structure is problem then rendering will also take same time (long time)
for this (2nd point) I checked on blog that Rendering depends on environment structure e.g. Network bandwidth, RAM, CPU Usage , Number of users accessing same report at a time.
So I did testing of report when no other user working on any report But failed (same result output is 2 min 30 sec)
From network team I got the result is that there is no issue or overload in CPU usage or RAM also No issue in Network bandwidth.
Production Database Server and Report server are different (but in same network).
I checked that database server the SQL Server is using almost Full RAM (23 GB out of 24 GB)
I tried to allocate the memory to less amount up to 2GB (Trial solution I got from Blogs) but this on also failed.
one hint I got from colleague that , change the allocated memory setting from static memory to dynamic to SQL Server
(I guess above point is the same) I could not find that option Static and Dynamic memory setting.
I did below steps
Connected to SQL Server Instance
Right click on Instance go to properties, Go to Memory Tab
I found three options 1) Server Memory   2) Other memory   3) Section for "Configured values and Running values"
Then I tried to reduce Maximum Server memory up to 2 GB (As mentioned above)
All trials failed, this issue I could not find the roots for this issue.
Can anyone please help (it's bit urgent).

Hi UdayKGR,
According to your description, your report takes too long to load on your production environment. Right?
In this scenario, since the report runs quickly in developing environment, we initially think it supposed to be the issue on data retrieval. However, based on the information in execution log, it takes longest time on rendering part. So we suggest you optimize
the report itself to reduce the time for rendering. Please refer to the link below:
My report takes too long to render
Here is another article about overall performance optimization for Reporting Services:
Reporting Services Performance and Optimization
If you have any question, please feel free to ask.
Best Regards,
Simon Hou

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We create a Z ODS, it will contain a lot of data (180.000.000 month-end) and we want to generate specific reports about it.
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Victoria

Hi Victoria:
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1. Fiscal year Period
2. JOA(Joint operating aggriment)
If u press F4 for JOA, it is taking long time to execute and finally the application is getting closed.same situation is there in RSRT also.
If i enter with out JOA the query is giving the output. Here i have to restrict the query by JOA.
i have changed the JOA peroperties in query designer.
Query execution for filter value selection = Values in master data table.......
but still the situation is the same.......
Could you please suggest any solution for this.....
Thanks & Regards,
PK

Hi Kamal,
You can set that at the query level in the query designer for each query.
1. Select the corresponding characteristic in the query designer.
2. Goto to the "Extended tab" in the properties
3. Select the "Values in the Master data table" in the "Query execution in the filter value selection.
Also see some recomendations:
Note 748623 - Input help (F4) has a very long runtime - recommendations
Hope this helps.
CK

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