August 20th, 2015
In Technology
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If you enjoy this article, see the other most popular articles
If you enjoy this article, see the other most popular articles
If you enjoy this article, see the other most popular articles
Zookeeper Owns Your Availability
(written by lawrence krubner, however indented passages are often quotes). You can contact lawrence at: lawrence@krubner.com, or follow me on Twitter.
In Camille Fournier’s excellent talk on consensus systems, she advises that “Zookeeper Owns Your Availability.” Consensus systems are a necessary and powerful tool, but they add complexity and new failure modes. Specifically, if the consensus system goes down, you can’t do work any more. In Chronos’s case, you’re not just running one consensus system, but three. If any one of them fails, you’re in for a bad time. An acquaintance notes that at their large production service, their DB has lost 2/3 quorum nodes twice this year.
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https://aphyr.com/posts/326-call-me-maybe-chronos
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