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Getting Started with Oracle Event Processing 11g by Lloyd Williams, Robin J. Smith, Alexandre Alves

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High availability in Oracle Event Processing

Oracle Event Processing's high availability (HA) differs from other kinds of systems in that the data involved (events) is usually very dynamic, changing constantly. In a typical system, such as a database, the data is relatively static and HA systems, for example, both improve the reliability of the stored data and the availability of querying against that data. Since the Oracle Event Processing data changes so fast, storing it reliably can become problematic from a performance standpoint, or may even be pointless if the only relevant data is the latest data.

In a similar vein, Oracle Event Processing is often highly stateful, building up a historically influenced view of incoming event streams, and ...

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