New Update Microsoft Defender Antivirus gets ‘performance mode’ for Dev Drives

MuzzMelbourne

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Microsoft has introduced a new Microsoft Defender capability named "performance mode" for developers on Windows 11, tuned to reduce the impact of antivirus scans when analyzing files stored on Dev Drives.

Introduced at this year's Microsoft Build conference, Dev Drive is a new type of Windows 11 storage volume using the Resilient File System (ReFS) available in public preview and offers developers enhanced performance and resiliency against data corruption.

These developer-focused storage volumes are designed to store large data sets, such as source code repositories, build output or intermediate files, and package caches (e.g., Npm, Nuget).

As Microsoft's Chief Product Officer for Windows and Devices Panos Panay stated, the Dev Drive and Defender performance mode combination can lead to a build speed boost of up to 30%.

"Dev Drive is based on the Resilient File System, which, combined with a new performance mode capability in Microsoft Defender for Antivirus, offers up to 30% file system improvement in build times for file I/O scenarios," Panay said.

"The new performance mode is more secure for your workloads than folder or process exclusions, providing an ultimate solution to balance security with performance."
 

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Microsoft has introduced a new capability in Microsoft Defender called "performance mode," which is specifically designed for developers using Dev Drives on Windows 11. Dev Drives are storage volumes that use the Resilient File System (ReFS) to provide better performance and resilience against data corruption. With this new feature, developers can reduce the impact of antivirus scans when analyzing files stored on Dev Drives, resulting in a boost in build speed of up to 30%. According to Microsoft's Chief Product Officer for Windows and Devices, Panos Panay, performance mode provides an ultimate solution to balance security with performance, making it more secure for workloads than folder or process exclusions.
 

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