JUring – Java bindings for io_uring file I/O
Hi HN! For the past few weeks, I've been working on bringing io_uring to Java. It started as an experiment, but slowly it became more than just that, and now trying to turn it into a proper library. After hearing talks about virtual threads and io_urings performance I wanted to build something that was faster than Java provides out of the box. I ended up creating two APIs: - A direct one that closely mirrors io_uring's behavior - A blocking one built with Virtual Threads in mind for remote files. This is the link to the project if you are interested…
In plain words
JUring provides Java bindings for io_uring, a high-performance Linux file I/O interface. It is designed for Java developers seeking faster file operations than standard Java libraries offer. The library offers two APIs: a direct one that mirrors io_uring's behavior closely, and a blocking API built for virtual threads, particularly for remote file access. The project is still in development but functional and available on GitHub.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi HN! For the past few weeks, I've been working on bringing io_uring to Java. It started as an experiment, but slowly it became more than just that, and now trying to turn it into a proper library. After hearing talks about virtual threads and io_urings performance I wanted to build something that was faster than Java provides out of the box. I ended up creating two APIs: - A direct one that closely mirrors io_uring's behavior - A blocking one built with Virtual Threads in mind for remote files. This is the link to the project if you are interested https://github.com/davidtos/JUring It's still far from done, but it's running! Would love to hear your thoughts if you've worked on or used something similar. Also very curious to hear what you like and don't like about the project!
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