One of the most interesting improvements made in DragonFly BSD are about the HAMMER filesystem which is now considered ready for productional use. It is also now possible to boot from a HAMMER-only disk, though this is still not recommended.

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The new version brings ULE as the default scheduler, DTrace inside the kernel framework, booting from USB devices, improved NFS Lock Manager (NLM) client, a new cpuset(2) system call and cpuset(1) command that brings an API for thread to CPU binding and last but not least DVD-sized media (only i386 and amd64).

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