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Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

Primary Performance and Tuning Handles

Now, let’s peel the onion a little more into the core architecture of SQL Server itself. Figure 41.2 shows the primary components within a SQL Server instance. The major issues to worry about at the instance level are the caches that comprise the memory pool and the number of CPUs available for processing to SQL Server itself (shown as white boxes, not dark ones). Of course, the disk I/O subsystem and files have to be carefully evaluated and used effectively as well. All other darker boxed items such as the SQL Server kernel are not within your control.

Figure 41.2 SQL Server instance architecture (memory, CPU, I/O).

The rule of thumb here is to treat these instance-level resources as “scarce” resources ...

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Publisher Resources

ISBN: 9780768696585Purchase book