September 2010
Intermediate to advanced
1704 pages
111h 8m
English
Performance, performance, and more performance! This is the key improvement for database mirroring in SQL Server 2008. This performance improvement was brought about by Microsoft’s efforts to isolate and resolve the bottleneck in database mirroring that existed with SQL Server 2005. That bottleneck centered around the bulky transmission of full-size log records from one SQL Server to another. Improvements in SQL Server 2008 are centered around the data compression used on the log records sent from one server to the other. Later in this chapter we show you some results of a benchmark involving SQL Server 2005 and SQL Server 2008 that show the major impact of this enhancement. In addition, as records are being ...
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