TAILIEUCHUNG - Microsoft SQL Server 2008 R2 Unleashed- P232

Microsoft SQL Server 2008 R2 Unleashed- P232:SQL Server 2005 provided a number of significant new features and enhancements over what was available in SQL Server 2000. This is not too surprising considering there was a five-year gap between these major SQL Server 2008 is not as much of a quantum leap forward from SQL Server 2005 | 2274 CHAPTER 55 Configuring Tuning and Optimizing SQL Server Options What s New in Configuring Tuning and Optimizing SQL Server Options There are a few new configuration options in SQL Server 2008 R2. These new configuration options are user instance oriented for SQL Server 2008 Express only for FileStream Compression and are Access Check Cache options. However you must be warned that there are options available that are not obsolete yet but have no effect even if you set them . We identify them in this chapter as they come up. SQL Server 2000 had a total of 36 options. With SQL Server 2005 the number of options nearly doubled with a total of 64 basic and advanced active options. There are now 70 basic and advanced options in SQL Server 2008 R2. Not all are usable and some apply only to certain OS platforms 64-bit or SQL Server editions. Only 68 basic and advanced options appear on 32-bit-based platforms. NOTE You can t use Allow Updates Open Objects or the Set Working Set Size sp_configure options. They have become obsolete and have no effect in SQL Server 2008 even though they are still listed. The Web Assistant Procedures option doesn t exist anymore either. In addition Microsoft has announced that all the ft_crawl and ft_notify options ft File Text will be deprecated. This chapter discusses the configuration options as well as the Database Engine Tuning Advisor DTA and some of the reports available via the Data Collection service within SQL Server Management Studio s SSMS s management options. Microsoft is improving in these areas with new tuning analysis improved recommendation reports and now data collection reports that can give you an overall picture of how your SQL Server instance is performing. SQL Server Instance Architecture Figure illustrates the address space architecture of an instance of SQL Server 2008 R2. When you fire up a SQL Server instance two main areas are allocated the code area and memory pool area. The code area is mostly static .

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