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<title>Berkeley DB Reference Guide: Architecture</title>
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<h3>Berkeley DB Reference Guide: Architecture</h3>
<p>
<h1 align=center>Extending Berkeley DB</h1>
<p>
Berkeley DB includes tools to simplify the development of
application-specific logging and recovery.
Specifically, given a description of the information to be logged, these
tools will automatically create logging functions (functions that take
the values as parameters and construct a single record that is written to
the log), read functions (functions that read a log record and unmarshall
the values into a structure that maps onto the values you chose to log),
a print function (for debugging), templates for the recovery functions,
and automatic dispatching to your recovery functions.
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