IO_uring is one of the most exciting happenings in the Linux storage space since its introduction last year in Linux 5.1. With succeeding kernels, IO_uring has continued seeing more features implemented, performance optimizations, and other improvements. That is continuing to happen with the Linux 5.7 kernel now in development.
At a high level, IO_uring allows for faster and more efficient I/O by avoiding excess copies and other efficiency improvements like even being able to do I/O without a system call. Our IO_uring benchmarks continue to show how much potential it has and it's only getting better.
For Linux 5.7 there is a rework to the pollable async I/O, support for expendable buffer selection, support for splice, async work fixes, improved IO-WQ locking, hashed link write improvements, and a variety of other improvements and optimizations.
The complete list of IO_uring material for Linux 5.7 can be found via this pull request. Linux 5.7 IO_uring benchmarks will be coming up on Phoronix in due course and this year we are hoping to see more projects making use of this exciting kernel technology.
"exciting" - Google News
March 30, 2020 at 11:00AM
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IO_uring Sees More Improvements With Linux 5.7 For This Exciting I/O Tech - Phoronix
"exciting" - Google News
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