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  1. #1
    WHT-BR Top Member
    Data de Ingresso
    Dec 2010

    [EN] Linode: goodbye Xen and welcome KVM!

    June 16, 2015 12:01 pm

    Happy 12th birthday to us!

    Welp, time keeps on slippin’ into the future, and we find ourselves turning 12 years old today. To celebrate, we’re kicking off the next phase of Linode’s transition from Xen to KVM by making KVM Linodes generally available, starting today.

    Better performance, versatility, and faster booting

    Using identical hardware, KVM Linodes are much faster compared to Xen. For example, in our UnixBench testing a KVM Linode scored 3x better than a Xen Linode. During a kernel compile, a KVM Linode completed 28% faster compared to a Xen Linode. KVM has much less overhead than Xen, so now you will get the most out of our investment in high-end processors.

    KVM Linodes are, by default, paravirtualized, supporting the Virtio disk and network drivers. However, we also now support fully virtualized guests – which means you can run alternative operating systems like FreeBSD, BSD, Plan 9, or even Windows – using emulated hardware (PIIX IDE and e1000). We’re also working on a graphical console (GISH?) which should be out in the next few weeks.

    In a recent study of VM creation and SSH accessibility times performed by Cloud 66, Linode did well. The average Linode ‘create, boot, and SSH availability’ time was 57 seconds. KVM Linodes boot much faster – we’re seeing them take just a few seconds.

    How do I upgrade a Linode from Xen to KVM?

    On a Xen Linode’s dashboard, you will see an “Upgrade to KVM” link on the right sidebar. It’s a one-click migration to upgrade your Linode to KVM from there. Essentially, our KVM upgrade means you get a much faster Linode just by clicking a button.

    How do I set my account to default to KVM for new stuff?

    In your Account Settings you can set ‘Hypervisor Preference’ to KVM. After that, any new Linodes you create will be KVM.

    What will happen to Xen Linodes?

    New customers and new Linodes will, by default, still get Xen. Xen will cease being the default in the next few weeks. Eventually we will transition all Xen Linodes over to KVM, however this is likely to take quite a while. Don’t sweat it.

    On behalf of the entire Linode team, thank you for the past 12 years and here’s to another 12! Enjoy!


  2. #2
    WHT-BR Top Member
    Data de Ingresso
    Dec 2010
    Não poderiam ter escrito nada pior.

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