OBIEE Consistency Check is taking too much time

Hi,
When I run consistency check globally, it takes too much time. Itt is waiting after completing about %80 of it. I can't click on it, the application is freezing. How can I recover it? What can be the cause of this problem?
Thank you for your attention,
Regards

Hello Mohan,
The DBTABLOG table does get large, the best is to switch off logging. If that's not possible, increase the frequency of your delete job, also explore one more alternative have a look at the archival object: BC_DBLOGS, you could archive old records (in accordance with your customer's data retention policies) to reduce the size of the table.
Also, have a look at the following notes, they will advise you on how to improve the performance of your delete job:
Note 531923 - Audit Trail: Indexes on table DBTABLOG
Note 579980 - Table logs: Performance during access to DBTABLOG
Regards,
Siddhesh

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Taking too much time to load application

Hi,
I have deployed a j2ee application on oracle 10g version 10.1.2.0.2. But the application is taking too much time to load. After loading ,everything works fast.
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[Thu Apr 26 09:17:31 2007] [warn] [client 10.1.20.9] oc4j_socket_recvfull timed out
[Thu Apr 26 09:17:31 2007] [error] [client 10.1.20.9] [ecid: 89128867058,1] (4)Interrupted system call: MOD_OC4J_0038: Receiving data from oc4j exceeded the configured "Timeout" value and the error code is 4.
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[Thu Apr 26 11:36:36 2007] [notice] FastCGI: process manager initialized (pid 21177)
[Thu Apr 26 11:36:37 2007] [notice] Oracle-Application-Server-10g/10.1.2.0.2 Oracle-HTTP-Server configured -- resuming normal operations
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[Thu Apr 26 11:36:37 2007] [warn] long lost child came home! (pid 9124)
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[Thu Apr 26 11:39:51 2007] [error] [client 10.1.20.9] [ecid: 80547835731,1] MOD_OC4J_0054: Failed to call network routine to receive an ajp13 message from oc4j.
[Thu Apr 26 11:39:51 2007] [error] [client 10.1.20.9] [ecid: 80547835731,1] MOD_OC4J_0033: Failed to receive an ajp13 message from oc4j.
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[Thu Apr 26 11:39:51 2007] [error] [client 10.1.20.9] [ecid: 80547835731,1] MOD_OC4J_0119: Failed to get an oc4j process for destination: home
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[Thu Apr 26 11:53:32 2007] [error] [client 10.1.20.9] [ecid: 89138452752,1] MOD_OC4J_0033: Failed to receive an ajp13 message from oc4j.
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[Thu Apr 26 11:53:32 2007] [error] [client 10.1.20.9] [ecid: 89138452752,1] MOD_OC4J_0013: Failed to call destination: home's service() to service the request.
Please HELP ME...

Hi this is what the solution given by your link
A.1.6 Connection Timeouts Through a Stateful Firewall Affect System Performance
Problem
To improve performance the mod_oc4j component in each Oracle HTTP Server process maintains open TCP connections to the AJP port within each OC4J instance it sends requests to.
In situations where a firewall exists between OHS and OC4J, packages sent via AJP are rejected if the connections can be idle for periods in excess of the inactivity timeout of stateful firewalls.
However, the AJP socket is not closed; as long as the socket remains open, the worker thread is tied to it and is never returned to the thread pool. OC4J will continue to create more threads, and will eventually exhaust system resources.
Solution
The OHS TCP connection must be kept "alive" to avoid firewall timeout issues. This can be accomplished using a combination of OC4J configuration parameters and Apache runtime properties.
Set the following parameters in the httpd.conf or mod_oc4j.conf configuration files. Note that the value of Oc4jConnTimeout sets the length of inactivity, in seconds, before the session is considered inactive.
Oc4jUserKeepalive on
Oc4jConnTimeout 12000 (or a similar value)
Also set the following AJP property at OC4J startup to enable OC4J to close AJP sockets in the event that a connection between OHS and OC4J is dropped due to a firewall timeout:
ajp.keepalive=true
For example:
java -Dajp.keepalive=true -jar oc4j.jar
Please tell me where or which file i should put the option
java -Dajp.keepalive=true -jar oc4j.jar ??????/

Taking too much time in Rules(DTP Schedule run)

Hi,
I am Scheduling the DTP which have filters to minimize the load data.
when i run the DTP it is taking too much time in the "rules" (i can see the DTP monitor ststus package by pakage and step by step like "Start routine" "rules" and "End Routine")
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regards,
sree

Hi,
Time taken at "rules" depends on the complexity involved there in ur routine. If it is a complex calculation it will take time.
Also check ur DTP batch settings, ie how many no. of background processes used to perform DTP, Job class.
U can find these :
goto DTP, select goto menu and select "Settings for Batch Manager".
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Hi all,
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Hi ,
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Des.

Taking too much time using BufferedWriter to write to a file

Hi,
I'm using the method extractItems() which is given below to write data to a file. This method is taking too much time to execute when the number of records in the enumeration is 10000 and above. To be precise it takes around 70 minutes. The writing pauses intermittently for 20 seconds after writing a few lines and sometimes for much more. Has somebody faced this problem before and if so what could be the problem. This is a very high priority work and it would be really helpful if someone could give me some info on this.
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public String extractItems() throws InternalServerException{
try{
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System.out.println("Before -1");
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System.out.println("After -1");
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System.out.println("Before -2");
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System.out.println("After -2");
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while(allitems.hasMoreElements()){
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Hi fiontan,
Thanks a lot for the response!!!
Yeah!! I kow it's a lotta code, but i thought it'd be more informative if the whole function was quoted.
I'm in fact using the PrintWriter to wrap the BufferedWriter but am not using the print() method.
Does it save any time by using the print() method??
The place where the delay is occurring is the wile loop shown below:
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                for(int i =0 ; i < props.length; i++){
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                         if(i == 0)
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                         else
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startTime1 = System.currentTimeMillis();
System.out.println("time here is--before-writing to buffer --out.flush() done: " +startTime1);
bufferWrt.write(aRow.toCharArray());
out.flush();//added by rosmon to check extra time taken for extraction//
bufferWrt.flush();//added by rosmon to check extra time taken for extraction//
bufferWrt.newLine();
startTime2 = System.currentTimeMillis();
System.out.println("time here is--after-writing to buffer : " +startTime2);
What exactly happens is that after a few loops it just seems to sleep for around 20 seconds and then again starts off and ............it goes on till the records are done.
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thanks in advance

Why it is taking too much time to kill the process?

Hi All,
Today,one of my user ran the calc script and the process is taking too much time, then i kill the process. I am wondering about one thing here even it is taking too long to kill the process, generally it will not take more than 2 sec. I did this through EAS.
After that I ran Maxl statement
alter system kill request 552599515;
there is no use at all.
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Thanks in advance.
Ram.

Hi Ram,
1. Firstly, How much time does your calculation scripts normally run.
2. While it was running, you can go to the logs and monitor where exactly the script is taking time .
3. Sometimes, it does take time to cancel a transaction ( as it might be in between).
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6. Do log off all the users, so that you dont corrupt any filter related sec file.
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Sandeep Reddy Enti
HCC
http://hyperionconsultancy.com/

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Hi experts!
I'm facing a very weird problem...
We've developed a BPC application (app name: USM).
This application is taking too much time to be loaded in some computers (around 8 minutes to load). Yes, in SOME computers.
There is around 100.000 registers in the database and most coming from material master data.
If I try to load this USM application in another computer, the process loads smoothly. The computer's hardware is all the same, the server is hyper estimated and everyone is in the same network.
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Edited by: Rubens Massayuki Kumori on May 12, 2011 8:43 PM
Edited by: Rubens Massayuki Kumori on May 12, 2011 8:46 PM

Hi Rubens,
I would try making a couple of test:
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Full DTP taking too much time to load

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HI Raman ,
This is what I get when I check the report. Can this be causing issues as 2 rows have % >= 100
ETVC0006           /BIC/DETVC00069     rows:      1.484    ratio:          0 %
ETVC0006           /BIC/DETVC0006C     rows: 15.059.600    ratio:        103 %
ETVC0006           /BIC/DETVC0006D     rows:        242    ratio:          0 %
ETVC0006           /BIC/DETVC0006P     rows:         66    ratio:          0 %
ETVC0006           /BIC/DETVC0006T     rows:        156    ratio:          0 %
ETVC0006           /BIC/DETVC0006U     rows:          2    ratio:          0 %
ETVC0006           /BIC/EETVC0006      rows: 14.680.700    ratio:        100 %
ETVC0006           /BIC/FETVC0006      rows:          0    ratio:          0 %
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Code taking too much time to output

Following code is taking too much time to execute . (some time giving Time_out )
ind = sy-tabix.
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Thanks

Hi,
I think you are executing this code in a loop which is causing the problem. The rule is "Never put SELECT statements inside a loop".
Try to rewrite the code as follows:
* Outside the loop
SELECT *
from MSEG
into table lt_mseg
for all entries in itab
where bwart = '102' AND
lfbnr = itab-mblnr AND
ebeln = itab-ebeln AND
ebelp = itab-ebelp.
Then inside the loop, do a READ on the internal table
Loop at itab.
read table lt_mseg with key bwart = '102'. "plus other conditions
if sy-subrc ne 0.
delete itab. "index is automatically determined here from SY-TABIX
endif.
endloop.
I think this should optimise performance. You can check your code's performance using SE30 or ST05.
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Cheers,
Shailesh.
Always provide feedback for helpful answers!

Report taking too much time in the portal

Hi freiends,
we have developed a report on the ods,and we publish the same on the portal.
the problem is when the users are executing the report at the same time it is taking too much time.because of this the perfoemance is very poor.
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Hi
Try this to improve performance of query
Find the query Run-time
where to find the query Run-time ?
557870 'FAQ BW Query Performance'
130696 - Performance trace in BW
This info may be helpful.
General tips
Using aggregates and compression.
Using less and complex cell definitions if possible.
1. Avoid using too many nav. attr
2. Avoid RKF and CKF
3. Many chars in row.
By using T-codes ST03 or ST03N
Go to transaction ST03 > switch to expert mode > from left side menu > and there in system load history and distribution for a particular day > check query execution time.
/people/andreas.vogel/blog/2007/04/08/statistical-records-part-4-how-to-read-st03n-datasets-from-db-in-nw2004
/people/andreas.vogel/blog/2007/03/16/how-to-read-st03n-datasets-from-db
Try table rsddstats to get the statistics
Using cache memory will decrease the loading time of the report.
Run reporting agent at night and sending results to email. This will ensure use of OLAP cache. So later report execution will retrieve the result faster from the OLAP cache.
Also try
1. Use different parameters in ST03 to see the two important parameters aggregation ratio and records transferred to F/E to DB selected.
2. Use the program SAP_INFOCUBE_DESIGNS (Performance of BW infocubes) to see the aggregation ratio for the cube. If the cube does not appear in the list of this report, try to run RSRV checks on the cube and aggregates.
Go to SE38 > Run the program SAP_INFOCUBE_DESIGNS
It will shown dimension Vs Fact tables Size in percent.If you mean speed of queries on a cube as performance metric of cube,measure query runtime.
3. To check the performance of the aggregates,see the columns valuation and usage in aggregates.
Open the Aggregates...and observe VALUATION and USAGE columns.
"---" sign is the valuation of the aggregate. You can say -3 is the valuation of the aggregate design and usage. ++ means that its compression is good and access is also more (in effect, performance is good). If you check its compression ratio, it must be good. -- means the compression ratio is not so good and access is also not so good (performance is not so good).The more is the positives...more is useful the aggregate and more it satisfies the number of queries. The greater the number of minus signs, the worse the evaluation of the aggregate. The larger the number of plus signs, the better the evaluation of the aggregate.
if "-----" then it means it just an overhead. Aggregate can potentially be deleted and "+++++" means Aggregate is potentially very useful.
In valuation column,if there are more positive sign it means that the aggregate performance is good and it is useful to have this aggregate.But if it has more negative sign it means we need not better use that aggregate.
In usage column,we will come to know how far the aggregate has been used in query.
Thus we can check the performance of the aggregate.
Refer.
http://help.sap.com/saphelp_nw70/helpdata/en/b8/23813b310c4a0ee10000000a114084/content.htm
http://help.sap.com/saphelp_nw70/helpdata/en/60/f0fb411e255f24e10000000a1550b0/frameset.htm
performance ISSUE related to AGGREGATE
Note 356732 - Performance Tuning for Queries with Aggregates
Note 166433 - Options for finding aggregates (find optimal aggregates for an InfoCube)
4. Run your query in RSRT and run the query in the debug mode. Select "Display Aggregates Found" and "Do not use cache" in the debug mode. This will tell you if it hit any aggregates while running. If it does not show any aggregates, you might want to redesign your aggregates for the query.
Also your query performance can depend upon criteria and since you have given selection only on one infoprovider...just check if you are selecting huge amount of data in the report
Check for the query read mode in RSRT.(whether its A,X or H)..advisable read mode is X.
5. In BI 7 statistics need to be activated for ST03 and BI admin cockpit to work.
By implementing BW Statistics Business Content - you need to install, feed data and through ready made reports which for analysis.
http://help.sap.com/saphelp_nw70/helpdata/en/26/4bc0417951d117e10000000a155106/frameset.htm
/people/vikash.agrawal/blog/2006/04/17/query-performance-150-is-aggregates-the-way-out-for-me
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/1955ba90-0201-0010-d3aa-8b2a4ef6bbb2
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/ce7fb368-0601-0010-64ba-fadc985a1f94
http://help.sap.com/saphelp_nw04/helpdata/en/c1/0dbf65e04311d286d6006008b32e84/frameset.htm
You can go to T-Code DB20 which gives you all the performance related information like
Partitions
Databases
Schemas
Buffer Pools
Tablespaces etc
use tool RSDDK_CHECK_AGGREGATE in se38 to check for the corrupt aggregates
If aggregates contain incorrect data, you must regenerate them.
202469 - Using aggregate check tool
Note 646402 - Programs for checking aggregates (as of BW 3.0B SP15)
You can find out whether an aggregate is usefull or useless you can find out through a proccess of checking the tables RSDDSTATAGGRDEF*
Run the query in RSRT with statistics execute and come back you will get STATUID... copy this and check in the table...
This gives you exactly which infoobjects it's hitting, if any one of the object is missing it's useless aggregate.
6
Check SE11 > table RSDDAGGRDIR . You can find the last callup in the table.
Generate Report in RSRT
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/cccad390-0201-0010-5093-fd9ec8157802
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/4c0ab590-0201-0010-bd9a-8332d8b4f09c
Business Intelligence Journal Improving Query Performance in Data Warehouses
http://www.tdwi.org/Publications/BIJournal/display.aspx?ID=7891
Achieving BI Query Performance Building Business Intelligence
http://www.dmreview.com/issues/20051001/1038109-1.html
Assign points if useful
Cheers
SM

ODS to CUBE load taking too much time..

Hi all ,
we are loading the data from our ZODS to ZCUBE, but the data load is taking too much time , we haven't created any indexes , we alsotried by making infosource for the ODS but still tha same problem .. It is always showing 0 from 345674 records that is the records are not getting extracted from ODS .
Can anybody help me in this regards , it is a bit urgent ..
Thanks in advance.

Hi,
there are a few you can check. First you should check if this job hasn't ended in a dump with ST22.
The next thing you can do, if the job doesn't end abnormaly, is to reduce the amount of records processed at the same time. Sometimes the system has trouble if the amount of records that it has to process is too large. Go to the InfoPackage -> DataS. Default Data Transfer -> Fill the maximum to 10% of de the default value. Try to run the load again.
If the job still doesn't finish then you have to check wether or not there are any ABAP routines and/or formula involved in the update rule ? Maybe they running in a loop.
regards,
Raymond Baggen
Uphantis bv

Importing is taking too much time (2 DAYS)

Dear All,
I'm Importing below support packages together in a queue @ SAP Solution manger 4 .
SAPKB70015             Basis Support Package 15 for 7.00
SAPKA70015             ABA Support Package 15 for 7.00
SAPKITL426             ST 400: Patch 0016, CRT for SAPKB70015
SAPKIBIIP6             BI_CONT 703: patch 0006
SAPKIBIIP7             BI_CONT 703: patch 0007
SAPKIBIIP8             BI_CONT 703: patch 0008
SAPK-40010INCPRXRPM    CPRXRPM 400: patch 0010
SAPK-40011INCPRXRPM    CPRXRPM 400: patch 0011
SAPK-40012INCPRXRPM    CPRXRPM 400: patch 0012
SAPKIPYJ7E             PI_BASIS 2005_1_700: patch 0014
SAPKW70016             BW Support Package 16 for 7.00
importing is taking too much time (2 DAYS) in main import phase, I have seen SLOG, there are many rows " I am waiting 1 sec and 6 sec . and also checked transaction code STMS all support packages imported except one support package "SAPKW70016 "
Please advice.
Best Regards'
HE

Hello Mohan,
The DBTABLOG table does get large, the best is to switch off logging. If that's not possible, increase the frequency of your delete job, also explore one more alternative have a look at the archival object: BC_DBLOGS, you could archive old records (in accordance with your customer's data retention policies) to reduce the size of the table.
Also, have a look at the following notes, they will advise you on how to improve the performance of your delete job:
Note 531923 - Audit Trail: Indexes on table DBTABLOG
Note 579980 - Table logs: Performance during access to DBTABLOG
Regards,
Siddhesh

OBIEE Consistency Check is taking too much time

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