September 2012
Intermediate to advanced
672 pages
25h 45m
English
book
Windows® Internals, Sixth Edition, Part 2
by David A. Solomon Mark E. Russinovich and Alex Ionescu
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Key Features of the Cache Manager
The cache manager has several key features:
Supports all file system types (both local and network), thus removing the need for each file system to implement its own cache management code
Uses the memory manager to control which parts of which files are in physical memory (trading off demands for physical memory between user processes and the operating system)
Caches data on a virtual block basis (offsets within a file)—in contrast to many caching systems, which cache on a logical block basis (offsets within a disk volume)—allowing for intelligent read-ahead and high-speed access to the cache without involving file system drivers (This method of caching, called fast I/O, is described later in this chapter.)
Supports ...
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