V1 V2 V3 updates

Overview
Logistics Extraction Structure Customizing Cockpit (LBWE).
Once the maintenance of Data source with the required update mode in LBWE is completed the data starts to flow into Delta queue via various paths corresponding to the mode selected.
As a BW consultant it’s always good to know the track of data movement, may be in case of any failure it would be easy to locate the problem point.
In this subject I have taken all the three update modes of LO cockpit and described the data flows during delta run with the snap shots.
The three Update mode’s available in LO Cockpit.
•
Direct Delta
•
Queued Delta
•
Unserialized V3 Update
In this entire subject we will be coming across three different updates V1, V2 and V3.
•
V1 Update (Synchronous)
It’s a time-critical update used for updating the actual transaction tables.
•
V2 Statistical Update (Asynchronous)
It’s a non-time-critical update used for updating statistics tables related to the transaction tables.
For instance, after a Sales order entry transaction is completed, the corresponding sales order tables would be updated in V1 mode, and the corresponding statistics tables would be updated in V2 mode.
•
V3 Collective Update (Asynchronous with background scheduling)
V3 update mode (Uses delta queue technology) is similar to the V2 update mode. The main difference is that V2 updates are always triggered by applications, while V3 updates may be scheduled independently. Many extraction programs available for mySAP.com applications today use the delta queue technology to identify deltas.