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Xen vs. KVM

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Comments

  • AnthonySmithAnthonySmith Member, Host Rep
    edited October 2015

    William said: kernel 4.1.1

    thats what... 3 days old?, I don't think I need to elaborate more than that, maybe if that becomes mainstream in 6 months I will change my opinion, can you alter the number of cores and ram in real time rebootless on that setup, just curious?

  • singsingsingsing Member
    edited October 2015

    AnthonySmith said: KVM guests run in user space

    That's quite an oversimplification. How come the guest kernel can use kernel addresses?

    And why is it even a drawback that they run in "user space"?

    Performance-wise right now main thing is the number of context switches needed to get to real I/O.

  • what you think about freebsd's hypervisor ?
    Named "bhyve".
    In comparison with kvm.

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