Tom Davidson

Tom
Davidson

Tom Davidson is a program manager for Microsoft's SQL Server development organization. As a SQL Server architecture expert and part of the Customer Advisory Team, he works with customers to improve their SQL Server–based applications' performance. He frequently writes and speaks about SQL Server performance.

Articles
64-Bit Vs. 32-Bit Memory Management 1
Learn about memory-utilization differences between 64-bit and 32-bit SQL Server.
Minding Memory 1
Understanding how SQL Server uses memory is an essential step in performance tuning. Members of Microsoft’s SQL Server Development Customer Advisory Team show you how they find information about SQL Server’s memory utilization.
Opening Microsoft's Performance-Tuning Toolbox 9
Microsoft's SQL Server Customer Advisory Team uses a repeatable methodology involving waits and queues to diagnose and solve customer performance problems. In this article, the team opens its toolbox and shares its effective techniques.
Diagnosing Network Problems 1
Diagnosing network problems is an important part of any performance-tuning process. This sidebar describes how to use the NETWORKIO wait type to determine whether network problems are affecting your system's performance.

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From the Blogs
Feb 25, 2015
Commentary

Data Profiling to the Rescue by Pushing Metadata Boundaries

Don’t let bad data sneak up on you when and where you least expect it. Ferret out bad data with Melissa Data’s newest Profiling Component for SSIS. Learn how to take control of your data using knowledge-base-driven metadata. The truth shall set you free!...More
Feb 11, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 17: Creating Jobs to Check on Synchronization

In my previous post, I provided a high-level outline of the core logic (and rationale behind that logic) that would be needed to set up regular synchronization checks on SQL Server Agent Jobs for servers where AlwaysOn Availability Groups have been deployed. In this post, I’ll walk through the steps--and the code--needed to setup those checks....More
Jan 22, 2015
blog

AlwaysOn Availability Groups and SQL Server Jobs, Part 18: Health Checks for Availability Groups

Now that we’ve outlined the process to let servers in a SQL Server AlwaysOn Availability Group "talk to each other" by means of setting up linked servers, it’s possible to set up some additional or improved checks on Availability Group Health....More
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