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Grover: Fedora for short-lifespan server instances

Grover: Fedora for short-lifespan server instances

Posted Jun 5, 2013 5:24 UTC (Wed) by agrover (subscriber, #55381)
In reply to: Grover: Fedora for short-lifespan server instances by agrover
Parent article: Grover: Fedora for short-lifespan server instances

e.g. Netflix average instance lifetime is 36 hours.


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Grover: Fedora for short-lifespan server instances

Posted Jun 5, 2013 5:39 UTC (Wed) by dlang (subscriber, #313) [Link]

average lifetime is misleading. They have very sharp peaks and so I'll bet that the vast majority of their instances have a lifetime of one hour, which brings down the average without addressing the problems.

Virtualization in itself doesn't help you, you still have to do all the testing for the new version that is running in the VM (far too many people just upgrade the hosts, leaving the VMs running old versions)

automated deployment of system images, be in in VMs or on bare metal _does_ go a long way towards solving this problem.

but automated deployment doesn't have to be restricted to VMs

and many people do cloud and VM systems without automated deployment.

and the latter end up wondering what the hype was all about and can't understand why they don't see the huge benefits that they were promised.


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