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by annonacct38 1587 days ago
One of my favorite examples of userfaultfd: transparently mapping databases on cloud storage into RAM.

https://tech.nextroll.com/blog/data/2016/11/29/traildb-mmap-...

2 comments

Could something like this enable SSI distributed computing entirely in user space? Is it practical to run some sort of distributed shared memory, relying on user-managed page faults to ensure coherence?
Thanks for sharing! I am still proud of this hack :)