Ntfs Misreporting Free Space (Part 2)

Continuing our discussion on the internals of disk usage, we will now shift our focus to internal metadata usage. …….. KB in …. Indexes.   Consider for a moment a world without indexes…  The $MFT is a database containing records that are accessed via FRS (file record segment) numbers.  This FRS number includes an embedded sequence number…

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Remote kernel or user mode debugging of dumps or live systems

  GES (Global Escalation Services) is not only responsible for helping our external customers, but we spend a great deal of time collaborating with engineers and developers around the world at our support and development sites.  We often look at large dump files, but in some cases we perform a live debug to determine root…

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Windows Hotfixes and Updates – How do they work?

Today I would like to talk about some of the work the Windows Serviceability (WinSE) team does regarding servicing Windows and releasing updates. The operating system is divided into multiple components. Each component can consist of one or more files, registry keys, configuration settings, etc.  WinSE releases updates based on components rather than the entire…

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Unlocking some puzzles requires building a better key… board

Hi, this is Matt from the Windows Performance team.  Sometimes we are presented with problems that defy our usual troubleshooting and require a creative approach.  In a recent case, we needed a way to test the responsiveness of an application as text was typed into its fields.  Initially, we tested the program using a script…

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