October 2003
Intermediate to advanced
1072 pages
24h 21m
English
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UMS Design Goals
Several goals were established at the outset of this research. The scheduling facility needed to:
Support fibers, a feature new in Windows NT 4.0, and abstract working with them so that the core engine would not need separate code lines for thread mode and fiber mode
Avoid causing a thread to switch into kernel mode whenever possible
Avoid context switches as much as possible
Support asynchronous I/O and abstract working with it so that the core engine would not need a separate code line for versions of Windows that do not support asynchronous file I/O (e.g., Windows 9x and Windows ME)
Ultimately, it was decided that SQL Server 7.0 should handle its own scheduling. From that decision, the User Mode Scheduler (UMS) component was ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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