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performance - Engineering@Microsoft

Copy-on-Write in Win32 API Early Access

November 2, 2023 Nov 2, 2023 11/2/23
Erik Mavrinac
(Updated Apr 4 and 26, 2024 with some release news.) 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 ...

Dev Drive is Now Available

October 13, 2023 Oct 13, 2023 10/13/23
Erik Mavrinac
(Edited Oct 31, 2023 to add info about later patch for InTune, Nov 6 and 8, 2023 to add Win11 23H2 image info, and Apr 4, 2024 to add info about Server. 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 ...

Load testing AAD-based authentication for Azure Cache for Redis

July 31, 2023 Jul 31, 2023 07/31/23
Rohit Anand
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 ...

Dev Drive and Copy-on-Write for Developer Performance

May 24, 2023 May 24, 2023 05/24/23
Erik Mavrinac
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.