Regarding Technical Setting of Tables.

Hey Hi Experts,
I have following issues within my implementation project.
1. On the PRD server the data is huge when i see Transaction tables like VEPO or LIPS I see that the size Category specified ( in my case vepo is set for Catagor 4 ie 81,000 to 320,000 records but it far exceeds the limits current is 6 lacks ) in the technical setting is very low as compared to the data size in them ( Will that matter my Reports performance )
2. There is a radio button goup where its set to "NO Buffring allowed " (Caution ..!)
I need you suggession for the following do i need to adjust the technical setting of the tables if my data size is exceding the limit specified record count .
If ineed to set it What type of buffring will i choose.
Plz experts...:)

1) When you activate a table for the first time the system needs to know how much space it needs to reserve for your table. Your definition tells the system the maximum size in bytes for each record. All the system needs to know is how many records (a ball park figure) your table is likely to have. This is what you enter in the size (category). This does not mean that your table cannot exceed that size. When your table is about the exceed the specified size the system needs to allocate more space. How does it know how much space it needs to allocate? Again it looks at this technical setting value. In short the category indicates to the system the amount of disc space to allocate/reallocate your table.
Will this effect your query speed? No.
2) Buffering determines how many records are transferred from the database to the memory. If you use full buffering any query to the table will cause all the records in the table to be transferred into your buffer. This setting is acceptable for smaller tables. You would not want to do this with larger tables because you will not have enough space in the memory to read all the data. The partial buffering transfers all the records that qualify by part of the primary key. For example if you are reading VBAP (Sales Order Line table), if you repair the table to have partial buffering and you read one sales order (VBELN) the system automatically transfers all the data of all the lines (POSNR) of the sales order from the database to the buffer.
Buffering helps improve performance but careful thought needs to be put into this and besides it is not advisable to repair any SAP tables.
The best solution for large tables is archiving. The SAP R/3 system should not be used to view reports on historic data. We have the BW system for that. The BW system is designed to be flexible with data and can quickly give you the historical reports you desire. It is a best practice to archive large tables every 2 years and use the BW system for the historical data analysis.

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We are in the process of 4.7 to ECC 6.0 upgrade.
Please see the SPDD screen shot
http://docs.google.com/Doc?id=dctrtng5_0dqxqcw
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I have verified with source system version of BNKA table technical settings with the upgrade shadow system BNKA table technical settings . I dont find any difference .
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Regards,
Reddy

Hi ,
Thanks for reply.
Please find the technical settings in my system
Data class APPL0 Master data, transparent tables
Size category 2 Data records expected: 8.000 to 32.000
and buffering not allowed
I checked both systems- sanpit system and the shadow system verified is there any changes in technical settings ... I dont find any changes in this ...
But in the screenshot of SPDD it is showing as warning under without modification adjustments.
If it is a warning can we ignore this and can add this to transport . or what is suggested ..
I dont find any difference in both technical settings ... give me some idea..
Cheers,
Reddy

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Siva

Problem about fill set up table

Hi all,
I got a problem when I run the fill set up table for sales billing data source. what I did is:
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Data source 2LIS_13_VDITM contains data still to be transferred
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Set up table definition
Setup table is store the historical data, where as the delta records are updated in delta queue not to set up table.
So once historical data is loaded you can delete the contents of the set up table.
name is extract sturcture of your data source + setup
also data is taken from setup table when an init / full/ full repair load is done.
so in order to take ur records from the table delete the setup table(LBWG) and initialize it with ur records.
You can find the contents SE16
Filling set up tables
transac LBWG
+ SBIW -> Logistics -> Managing Transfer Information Structures-> Setup of Statistical Data-> Application-Specific Setup of Statistical Data
set up tables
Set up tables
Set up tables
view of set up tables data in se11??????????
Set Up tables..
lo: delete set up tables: DOUBT
LBWQ is the extraction queue and RSA7 is delta queue. Data is sent to delta queue from extraction queue through collective job scheduled in transaction LBWE.
when we want to extract the data using LO Cockpit, the data will be come to the extraction queue first and from there it will processed to the delta queue. SO lbwq works as a outbound queue.
If the update mode is Unserialised V3 then as soon as the document is posted it comes update table which you can see in Tr. Code SM13. After the jonb is scheduled the records come to RSA7 i.e delta queue from which BW pulls the data
If you use u201CQueued Deltau201Dupdate method then the data moves to Extraction queue(LBWQ). Then run Collective update to move the data from LBWQ into Delta Queue (RSA7). Then schedule the data using the infopackage by selecting Delta Load in the update tab.
So in If you are going to do Setup table filling, delete the data from LBWQ.
The usage of Extraction queue(LBWQ) comes in to picture in delta loading. But actually system starts collecting the data (whenever there is document creation in R/3) after activating the EXtraction structure.
Steps to Be Performed
We know that there are 4 types of delta extraction that are available in LO. If you use u201CQueued Deltau201Dupdate method then the data moves to Extraction queue(LBWQ). Then run Collective update to move the data from LBWQ into Delta Queue (RSA7). Then schedule the data using the infopackage by selecting Delta Load in the update tab.
Here is Roberto's weblog:
/people/sap.user72/blog/2005/02/14/logistic-cockpit--when-you-need-more--first-option-enhance-it
/people/sap.user72/blog/2004/12/16/logistic-cockpit-delta-mechanism--episode-one-v3-update-the-145serializer146
/people/sap.user72/blog/2005/01/19/logistic-cockpit-delta-mechanism--episode-three-the-new-update-methods
check this out...
LBWQ - T code is for what?
Ttransaction LBWQ
What is LBWQ?
Assign points if it helps
Hope it helps
regards
Bala

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How to check whehter set up tables are filled or not?
Cheers,
Reddy.

Hi Reddy.......
And another point I want to make u clear............LBWQ is not the Delta Queue.............Delta queue is RSA7...............it comes into play in delta loading.......LBWQ is Extraction Queue.........While delta loading....if we use the Update mode Queued Delta........then any Changes will not directly get updated in the Delta queue.....For the Delta set up.........
1) First u hav to run init with data transfer(After filling the set up table)
2) After that any Changed ........will be recorded in the Extraction Queue(LBWQ)........
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Check this.....
Re: question on LBWQ and RSA7
Regards,
Debjani.....

Regarding Technical Setting of Tables.

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