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This article discusses the performance of Btrfs, ZFS, and bcachefs file systems under various workloads using classic benchmarks, possibly highlighting skipping or optimization aspects.
Bcachefs 1.38.6, the performance release, removes the experimental label, introduces erasure coding and reconcile for improved data management, and converts userspace code to Rust.
Bcachefs-Tools 1.38.6 has been released with many performance improvements including lockless journal flushes, btree optimizations, and improved sharding. It also supports up to 255 storage devices per filesystem and offers Ubuntu 26.04 LTS packages.