Can anyone explain Joyent to me? My understanding always was that they're some special kind of hosting provider. But I never really got it. They sponsor Node.js, they sponsor all kinds of ex-Sun Solaris-related stuff, employing high profile people from both communities. What does supporting (and, at a time in the past, basically running) Node.js get a hosting provider? What about Joyent's products is related to Node…
Joyent was a public cloud provider, that offered a VPS/Container style offering built on Illuminos (open source Solaris). The expanded into offering Linux using some clever stuff to support Linux runtime on Solaris (kind of like WINE, but much simpler since Linux is much more similar to Solaris and also fully open source). All with DTrace so you had some great transparency on what was going on with the underlying har…
When they first started they used FreeBSD jails IIRC.
The main selling point is/was being closer to the hardware and thus getting better hardware utilization. Virtualizing at the machine level was a lot slower (especially before Intel VT-x and AMD-V came along) and so one wouldn't lose (say) 30% right off the top: