LIS extractors with 2 BW systems

Hi
Is it possible to have a single source system with LIS extractors going to 2 different BW systems? This is part of a migration from an existing BW system to another (various reasons.)
Do you have to do another initialisation on the new system?
Thanks

Hi,
Definately we can go with Multiple BW sytems with one Source system. For more information on this refer the note : 775568
Regards,
Anil Kumar Sharma .P

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Dear all,
We currently run BW3.1. Now we would like to install NW2004s next to it.
Is it possible to use the same extractor with delta loads when you have only 1 source system with 2 BW systems?
Do both BW systems contain all information after delta loads?
Thanks in advance,
Ralph

Hi,
Yes, its possible. You can have just one source system, feeding multiple BW systems. But in your case, I'll be careful as you are trying to upload data to 2 different versions of the BW system. You have to check and test for the PI versions on the R3 side. Your current set of PI versions on R3 will have to be upgraded if you are planning to connect the system with the netweaver 04s version. Once you upgrade, you also need to make sure that the data loads work fine with your older BW version as well.
Cheers,
Kedar

Extension of LIS extractor - possible to delta enable field from Z-table?

Hi Experts
We have to get data from a date field in a custom Z-table (delivery related) in R/3 to BW.
We would like to get the date by extending a delivery LIS extractor with a new field and make some ABAP to lookup the correct value in the custom Z-table.
A requirement is though that if the date in Z-table is changed then we need to get the update value to BW. Therefore, we need to delta enable the new field in the append structure - but that ain't possible is it?
Alternatively will we have to make a new DataSource based on the custom Z-table and somekind of full load (with a fake delta).
Thanks.
Kind regards,
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Torben,
If your custom Z-table does not contain too much data and doesn't change too often it might be an option to turn on DB logging (Technical settings -> Log data changes). Do not do this for large tables containing transactional data as the logs will consume a lot of diskspace!
Each insert/mod/deletion will be logged and in in a user-exit you can use FM DBLOG_READ_WITH_STATISTIC to check if something has changed and then append the corresponding data to your data package.
Grtx!
Marco

Delta load - LIS extractor to several target - test load to single target

Hi
I want have a daily delta load from a LIS extractor to 3 targets (ODS's). I would like to make a test delta load to one of the 3 targets (because it has been reconstructed).
Will it cause any problems if I make a delta load from the LIS extractor to one of the targets and not all of the targets? Will the records that I loaded in my test load arrive in the two other targets when the daily delta runs later on?
Kind regards,
Torben

Hi Torben,
you can do this if you first load the data to PSA, because when you load the data with delta infopack the delta queue will be reset in source system. But the data will remain in PSA, so you can upload again (to same infoprovider or different one if update rules exists) from PSA.
Sarhan.

Enabling FI-SL extractor with delta capability

I am working on enabling FI-SL (3FI_SL_*) extractor with delta capability.
Implemented OSS note 328197 successfully and also related OSS notes.
This works on totals table. Source system is 4.6C
Tested BW01, BW03 and everything seems to be fine, and shows as if extractor is enabled for delta loads.
I have done initialization. it works fine and got records.
But when I do delta - it shows ZERO records.
In RSA7 also I see Zero records.
If you have any experience , will you please share with me.
It's a very urgent one.
Venu

Create some records in the source system so that the base tables for this extractor will add some records.
Then check rsa7 whether it shows any records for next delta.
As Hari said..there might not be fresh records created or records changed,if you do delta load immediately after an init load.
cheers,
Vishvesh

How to make LIS Extractor nightly full load

Hello All,
We need an LIS Extractor to be a full load. It appears Full Load only reads setup tables. How can we do a full load for a LIS Extractor?
Thanks!

Hi All,
Here is our scenerio:
I am referring to the LO Cockpit.
We have deltas coming over to a DSO that has a key of order number, material and batch. Now, when the order is created, for example, it will have batch NULL because we have not determined what batch to use yet. It could remain like this for days. In the meantime this record comes over to BW...just fine and updates. Now, we have decided for this order that exists in BW with a batch of NULL that we allocate a batch to it now. Now this record comes over to BW and it creates a new record. So we have 2 records in BW, one with batch NULL and one with batch updated. We really only want to see the record with batch updated.
We also thought about, what happens if we assign a batch (after the record came over to BW as batch NULL), then this creates 2 records as mentioned above and then now we change this batch to yet another batch. Now when this record comes over to BW this order will have 3 records by batch, yet only the latest is valid.
So we thought a full load would work, which it would. How do you handle such a scenerio for deltas? We load to DSO as mentioned and then push to a Cube.
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Performance issue with a PI System

Hello
I am currently doing my Master Thesis, which is about a Software Experiment comparing performance between two "architectures" in SAP.
However, I am getting some unexplained pauses in the PI system, which I don't understand. I am not sure, whether this is a problem with the settings or a problem with the PI system itself (there might be a reason for the pauses), but the pauses are skewing the results and therefore the survey.
The scenario is this:
A number of XML files is placed on one system, and we want to extrapolate data from these files and insert the data in a database on another system.
The servers are all 3 GHz servers (4 cores), with 16 GB ram. The "file system" and the "database system" are both running SAP 6.0, while the PI system is running 7.0.
Architecture 1 - Two servers:
We use an ABAP program and a XSLT transformation to extrapolate and transfer data from the system with the files to the system with database. An experiment with 10.000 files took 191,879 seconds.
Architecture 2: - Three servers:
The same servers are used as in Architecture 1, however a PI System is used to extrapolate and transfer the data from the system with the files to the system with database. I am using a File Adapter. An experiment with 10.000 files took 728,53 seconds.
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...42.4440000
...42.4440000
...45.8040000
...45.8190000
As you can see there is about a 3 sec pause, and this pause occurs once every 20-30 files. Can you point at any obvious reasons for this small pause?
As I am learning PI is a complex system, so I am pretty sure you need more information about how the system was set up, unless the answer is simple. I am of course, more than willing to supply more information, so that I might get a correct evaluation of the performance of the PI system, however I am not sure what kind information you want. Because of the complexity of the system, a full description of the set up and the settings would transform this post into a novel.
Best Regards and thank you in advance!
Andreas

Dear Neetesh
Thank you for your answer!
Point-to-Point communication is always faster, but when we talk about complex IT architecture, then the idea is to streamline the flow of communication through a central hub. So, performance will definitely won't be the same.
This is true, I did not expect the PI system to perform nearly as good as the Point-to-Point system, I am more worried that the results is not representative, because of all the pauses.
What is the polling interval of File Adapter? What is the size of each files? What is the PI hardware configuration? What mapping you are using? All these issues can affect / slower down the performance.
What is the polling interval of File Adapter?
When you say Polling Interval of the File Adapter, do you mean how often it checks for Files? Because that is the only option I can find:
"Number of seconds that the adapter is to wait if no files are found for processing" (from SAP Guide)
If so, this is set to 0. In order to start the test, I deactivate the File Adapter, copy the files and activate it again. It starts almost immediately with getting the files.
What is the size of each files?
The size of the files varies between 2KB and 128KB, depending of the amount of data. The processing time does go up, but not as much as you would expect. For example 10.000 files with the size of 2KB takes around 12 min and 10.000 files with the size of 128KB takes around 15 min. The problem is that in both cases, there is these 3 sec pauses.
What is the PI hardware configuration?
I am not sure what you mean. The server is a 3 GHz server (4 cores), with 16 GB ram.
What mapping you are using?
All data elements from the XML files are mapped directly to the IDOC. There is no processing (or call to any functions) or any changes made to the data, so the mapping is direct. Except I have made a custom function, which simply calls a timestamp function, in order to get the timing.
On Tuesday (two days time from now), I get more servertime, I will try to see if I can find an actual Polling Interval of the File Adapter, if this is what you meant.
Best,
Andreas

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<Email Edited by Host>

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SAP NW 7.4 as java system sync with solution manager system 7.1 issue

Dear all,
I have installed SAP NW 7.4 system SP level is SP5 ,after that i have cheked in service marlket palce Now service market plkace latest SP level SP7.
For manula downlowd( directly from service market place) is difficult for java system and i have started sysnc with solution manager system to download patches through MOPZ.
Below are the activities completed:
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5) I have assigned in product system in LMDB
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Advance Thanks

Hi,
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Also do a verrification run within the LMDB. This will confirm whether all the information is correctly defined.
Please note - SLD -> LMDB -> SMSY.
So, if the first 2 don't have the correct information, you wont have much joy with smsy.
Rgds
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What actions should be taken while working with the quality system

Hi all,
The development phase has been completed, I would like to know what are the steps we need to follow when we are working with the quality system.
I have some doubts regarding this could any one give the inputs please.
1. Where should we create any Roles and Authorizations.Dev/QA/Prd
2. Where should we craete process Chains. Dev/QA/Prd.
3. Can I transport the queries without using Bex transport. What will happen If i dont use the Bex transport.
Thanks in Advance
Regards
Kumar

Hi Kumar,
your BW quality system will be connected to your R/3 Production system from where you'll extract the real time data and do testing which includes estimation of downtime in case of filling up of the set up tables and so on...
the most general procedure is to create the Roles and Authorizations in teh development system and then transport it across to production through your quality system...
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Hope it helps..
Regards
Manick

LIS extractors with 2 BW systems

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