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Copy-on-Write in Win32 API Early Access

On October 25, 2023, the Windows filesystem team released an early preview of copy-on-write (CoW) linking in the Windows 11 Insider Canary channel. This builds automatic CoW linking into the Win32 APIs when using Dev Drive or ReFS. If released next year, this will eliminate the need to update build engines, tools, and runtime frameworks to ...

Dev Drive is Now Available

(Edited Oct 31, 2023 to add info about later patch for InTune, and Nov 6 and 8, 2023 to add 23H2 image info. Also see the next post.) In a previous post, Dev Drive and Copy-on-Write for Developer Performance, we published early performance numbers for the new Dev Drive feature of Windows 11 and Windows Server. This week’s Windows Update for...

Load testing AAD-based authentication for Azure Cache for Redis

At Microsoft, we continue working on modernizing our services to make them faster, more reliable, and up to date with the latest technologies. In this blog post, we’ll cover how Azure Load Testing helped ensure that the Azure Active Directory (AAD) based authentication mechanism for Azure Cache for Redis met the performance criteria. Azure ...
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Dev Drive and Copy-on-Write for Developer Performance

At Microsoft Build 2023 the Windows team announced Dev Drive, a new evolution of the Windows ReFS filesystem retuned for developer workloads like Git and builds. This new functionality will ship later this year in the Windows 11 23H2 refresh and is available now for early testing via the Windows Insider program.