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Systems & Performance 1 Infrastructure & DevOps 1

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Don’t run this on any system you expect to be up they said, but we did it anyway

2017129 points22 comments Infrastructure & DevOps details

This is the story of how we upgraded over 2000 Ubuntu production servers – turning over millions an hour – by installing the operating system in memory, wiping the root disk and reinstalling the OS back on disk from RAM. We did it, there was zero data loss and it saved us lots of time and...