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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

Monitoring the Disk System

SQL Server performance depends heavily on the I/O subsystem. SQL Server is constantly reading pages from and writing pages to disk via the data cache. It is also constantly writing to disk via the transaction log. Focusing on the database data files, transaction log files, and especially tempdb can yield great performance for your SQL Server platform. Table 39.6 lists the essential performance objects and counters related to monitoring the disk system.

Table 39.6 Disk Usage-Related Performance Objects and Counters

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Slow disk I/O causes a reduction in the transaction throughput. To identify which disks are receiving all ...

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Publisher Resources

ISBN: 9780768696585Purchase book