• Cloud Hypervisor 51 Brings Performance Improvements, Better QCOW2 v3 Support Cloud Hypervisor 51 is now available for this Rust-based VMM focused on secure cloud computing. • For what began as an Intel open-source project years ago is continuing to be largely led by Microsoft, Cyberus Tech, Tencent, Ant Group, and others. • The Cloud Hypervisor 51 release delivers on better performance with now supporting Transparent Huge Pages for anonymous shared memory and the vhost-user-net device should be operating faster. • The new Cloud Hypervisor release also has many QCOW2 v3 improvements for that virtual machine disk image format. • The QCOW2 v3 support now can handle live disk resize, dirty bit, RAW backing file support for QCOW2 overlays, corrupt bit detection and marking, and other features. • Cloud Hypervisor 51 also brings ACPI Generic Initiator support, Microsoft MSHV support improvements, and various bug fixes.
Article Summaries:
- Cloud Hypervisor 51, a Rust‑based virtual machine monitor originally launched by Intel and now driven by Microsoft, Cyberus Tech, Tencent, and Ant Group, has been released with significant performance and feature enhancements. The update adds Transparent Huge Pages for anonymous shared memory and improves the vhost‑user‑net device, boosting network throughput. Key QCOW2 v3 improvements include live disk resizing, dirty‑bit tracking, RAW backing file support for overlays, and corruption detection. Additional updates bring ACPI Generic Initiator support, Microsoft MSHV improvements, and a suite of bug fixes. The release and source code are available on GitHub.
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