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SQLServer Megaservers: Scalability,
Availability, Manageability
March 1, 2003
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Download Document
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BibTex
Authors

Jim Gray
Publication Type
Miscellaneous

Abstract
Abstract
This is an update to the 1997 report Jim Gray wrote on SQL Server scalability. It is a marketing
whitepaper. Microsoft® SQL Server™ has evolved to support huge databases and
applications, including multiterabyte databases used by millions of people. SQL Server achieves
this scalability by supporting scale up on symmetric multiprocessor (SMP) systems, allowing
users to add processors, memory, disks and networking to build a large single node, as well as
scale out on multinode clusters, allowing a huge database to be partitioned into a cluster of
servers, each server storing part of the whole database, and each doing a part of the work, while
the database remains accessible as a single entity. Using scale out, SQL Server 2000 achieved
the top Transaction Processing Council Benchmark C (TPC-C) performance results of any
database system on any platform. .NET servers and SQL Server clusters provide high availability
and automated management. SQL Server supports high availability through built-in failover and
replication technologies. SQL Server also provides a powerful management model based on a
user interface, wizards, a job scheduler for repetitive tasks, and SQL-DMO for scripting
application-specific operations. SQL Server architecture accommodates modular growth,
automated configuration, maintenance, and programming of large server farms.
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