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Microsoft® Exchange Server 2003 Scalability with SP1 and SP2
book

Microsoft® Exchange Server 2003 Scalability with SP1 and SP2

by Pierre Bijaoui
October 2006
Intermediate to advanced content levelIntermediate to advanced
600 pages
23h 55m
English
Digital Press
Content preview from Microsoft® Exchange Server 2003 Scalability with SP1 and SP2
4.9 Fundamentals of storage performance 317
Chapter 4
disk itself, it can involve reading a single track, or for some implementa-
tions, reading an entire cylinder (i.e., tracks from each platter making up
the disk drive). This can force the controller to fetch much more data than
what was actually requested; some implementations will collect a minimum
256 KB of data, whatever the actual requested I/O size. The controller will
store this fetched data into cache memory (hence it will tend to require
more cache than otherwise optimized controllers) and hope that this data
will be used in subsequent operations. In that case, big caches are good and
useful. ...
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Publisher Resources

ISBN: 9781555583002