BUSE Alternatives
Similar projects and alternatives to BUSE
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freebsd-src
The FreeBSD src tree publish-only repository. Experimenting with 'simple' pull requests....
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
BUSE reviews and mentions
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An io_uring-based user-space block driver
I wonder if this could replace most uses of NBD (network block devices), and/or help get iSCSI into userspace where more flexible load-balancing policy can be implemented.
It also reminds me of attempts to define BUSE[0][1][2], which would have been a block device equivalent of FUSE. IIRC it was abandoned for performance reasons -- the FUSE protocol isn't well designed and is only barely acceptable for VFS.
If io_uring (+ careful use of zero-copy) has fixed the performance issues with userspace block devices, maybe it would be applicable to FUSE (or FUSE-v2)? I've tried using io_uring with the current FUSE protocol to reduce syscall overhead and it kinda works, but a protocol designed to operate in that mode from the beginning would be even better.
[0] https://github.com/acozzette/BUSE
[1] https://dspace.cuni.cz/bitstream/handle/20.500.11956/148791/...
[2] https://dl.acm.org/doi/10.1145/3456727.3463768
Stats
acozzette/BUSE is an open source project licensed under GNU General Public License v3.0 only which is an OSI approved license.
The primary programming language of BUSE is C.
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