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Former Member

live cache

colleagues,

Can some one explain me what purpose does live cache solves and how it is relevant for APO planning.

Thanks

Sandeep

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2 Answers

  • Best Answer
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    Former Member
    Jul 19, 2010 at 05:04 AM

    Hi,

    Livecache(LC) is an integral part of APO architecture. It is a must for APO operation. Most of the planning related data activity is done in LC Db as it provides much faster operation. The reason behind the same is mentioned below :-

    From a pure technical point of view, LC is installed on a separate server with huge memory to take advantage of it's resources. LC db is always installed on MaxDB. LC stores the data in object oriented database management system (ODBMS) where data is identified by OID(object ID). This makes navigation with help of physical pointers is very fast and effective, especially for complex data with many object classes. Access time becomes around less than 10 microsecond with Livecache where in traditional RDBMS it's around 1mS. Also most of the objects are held in the liveCacheu2019s data cache in main memory. This speeds up the retrieval of information because no disk access is required.

    For more information refer to the following links :-

    http://help.sap.com/saphelp_nw70/helpdata/en/42/db70ae3f382cede10000000a1553f7/content.htm

    https://www.sdn.sap.com/irj/sdn/livecache

    Regards,

    Shivaji

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  • Jul 19, 2010 at 04:26 AM
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