Info on Delta Queues

Hi,
We have recently activated PM, MM & QM related Business contents and started taking the data in BW. We have following questions / doubts on RSA7 screen.
1. After executing the delta job in R/3, we can see the records in RSA7. There is one column 'Total' against each datasource.
--->Our question is when this column gets updated. Because we are unable to find the count what it is showing.
2. After uploading the delta succesfully in BW, when we return back to RSA7 screen, delta queue becomes empty. i.e when we select a datasource and click on 'Display data entries' button, we gets a message 'List contains no data'.
---> Our assumption is that delta queue becomes empty immediately after loading the delta into BW. But whatif the delta fails at BW side by some reasons ?
Please give your valuable inputs.
Thanks
Ramesh Ganji

Hi,
1. this number is reflecting the number of LUWs (logical units of work) in your delta queue. if you go to SMQ1 you'll see for instance InboundQueue MCEX03 (MM) with a number. These are the numbers of LUW successfully (could be number of documents or not since a LUW may commit several docs) recorded for your datasource.
When the update is fired, the InBoundQueue is passed to the Delta queue enabling you to see it in RSA7, for instance BW<CLIENT>2LIS_03_BF/UM.
2. yes, when you load your delta in BW the delta queue is empty. However we shall be more precise: it is the NEXT delta which doesn't have any data.  Indeed you are always able to REPEAT the last delta.
In RSA7, you'll still see a number of LUWs <> 0 because there is still data in the repeat which you can display in RSA7. If you fire a second delta form BW right after the previous and there has been no update in between you shall get 0 records and the number is 0 in RSA7.
A delta gets repeated when you set your delta request status to RED in the monitor in SAP BW. When you'll request the next delta, the system will prompt you if you want to repeat it. If you gave this situation while executing a process chain the system will do it in silent mode if the request is NOT posted in ANY target; if a target still has the request, it won't request it since the system needs clarification from the user.
This is the plugin mechanism used in order to ensure integrity and system communications and I have to admit that's quite clever and reliable...
hope this helps
Olivier

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