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A comment on We're migrating many of our servers from Linux to FreeBSD. Parent comment

Re:We're migrating many of our servers from Linux to FreeBSD by mcronce on Monday January 24, 2022 @06:40PM (#30065755)
> Especially more since it "forgot" to mention that Facebook intended to enhance the "Linux kernel network stack to rival or exceed that of FreeBSD." Did they succeed over these 8 years ?

I don't know about Facebook-driven efforts specifically offhand, but I recall attending a talk at LinuxCon 2015 _specifically_ about optimizing the network stack. Given by a Red Hat employee, IIRC.

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Re:We're migrating many of our servers from Linux to FreeBSD by Twirrim on Monday January 24, 2022 @08:33PM (#30066723)
Facebook has spent a lot of engineering resources on the kernel. Can't speak to their network stack, but if you want to see what they've contributed, they use emails under the @fb.com domain:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin...

From a quick glance through I see a lot of work on eBPF stuff, memory, I/O subsystem, cgroups, and btrfs.

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