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8.4.16 The PGMAN Block

This block provides page and buffer management services for Disk Data tables. It includes these files:

  • diskpage.hpp: Defines the File_formats, Datafile, and Undofile structures.

  • diskpage.cpp: Initializes sero page headers; includes some output reoutines for reporting and debugging.

  • pgman.hpp: Defines the Pgman class implementing a number of page and buffer services, including page entries and requests, page replacement, page lists, page cleanup, and other page processing.

  • pgman.cpp: Implements Pgman methods for initialization and various page management tasks.

  • PgmanProxy.hpp

  • PgmanProxy.cpp


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