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Re:Docker for Mac Beta Review by JonathonW on Monday April 25, 2016 @06:15PM (#11567823)
You're still running a VM with this, just via xhyve and the OSX Hypervisor framework, rather than via Virtualbox or VMWare.

Which actually makes me wonder how they're managing memory for the VM hosting Docker here. Are they specifying a set fixed allocation? Is memory usage configurable somewhere?

Re:Docker for Mac Beta Review by jdub on Monday April 25, 2016 @06:20PM (#11567854)
Not quite configurable yet, but it appears that's the intention. (I wouldn't be surprised if they'll try to make that a bit more dynamic, if the hypervisor framework allows it.)

https://twitter.com/jdub/status/724724422574104576