Empress Software Inc. ~ Empress Embedded Database

Empress Shared Memory

Empress' Shared Memory Utility lets users enhance the performance of the Empress Database by using Shared Memory, an operating system feature that allows several processes to share a specified section of main memory. By using Shared Memory to reduce file I/O, database performance can be improved.

By placing Lock Information and Locks in Shared Memory rather than in files, multiple database processes can access Lock Information and Locks with improved performance.
Global Buffers allow data from " one or more" files to be kept in Shared Memory for access by one or more processes. This enhances data access to those files.
Mapped Files allow data from " one or more" files to be kept in Shared Memory and do so in a manner different from Global Buffers. Again, this will enhance data access to those particular files

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