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author's profile photo Former Member
Former Member

Data Extraction Frequency

Hello Gurus,

Is it necessary that, there should'nt be any users in R/3 when data is being pulled from R/3. Can I schedule a data pull of sales , purchase, stocks during the day (for eg: during luch time where users are less). Does it depend on the type of extractor. LIS or LO. Please Suggest. Thanks.

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    author's profile photo Former Member
    Former Member
    Posted on Dec 03, 2004 at 09:48 AM

    Hi Roberto,

    Thanks for the reply. So it does not matter if the extraction method is LO or LIS.

    What I understand is that when delta data is being pulled there is another storage area available to store the online transactions in r/3. and BW switches between the two storage areas, to pull the delta data.

    regards.

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    • Former Member Former Member

      Roberto,

      Your detailed information does make it very clear why the SAP creates 2 SnnBIW1, SnnnBIW2 tables, and a structure.

      I have another question related to this process.

      Once you create a datasource from the custom LIS structures, you can assign a Development class to that datasource.

      But the automatically created 2 tables and the structure are local objects, and you cannot reassign them to other object. That is fine because when you export/import the transport, all the other objects are also transported.

      But when we enhance the extract structures, it creates a structure ZASnnnBIWS which also HAS TO BE a local object. This creates a problem of how do we transport these changes?

      I would appreciate your insight into this.

      Thanks

      InduBala

  • author's profile photo Former Member
    Former Member
    Posted on Dec 02, 2004 at 12:15 PM

    Hi Pradeep,

    you can load your delta also during normal production activity (think about someone that have to load his delta hourly !!), but it's recommended to avoid any slowing down of the system by scheduling your jobs when the users logged in are less (so your 'lunch time' option is very good!), because, anyway, when you perform a delta, you need system resources (processes available and so on..)

    If you want some more detail, let me know !!!

    Bye,

    Roberto

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