Under the Hood: Scheduling MapReduce jobs more efficiently with Corona

https://www.facebook.com/notes/facebook-engineering/under-the-hood-scheduling-mapreduce-jobs-more-efficiently-with-corona/10151142560538920

原有MapReduce框架存在的限制是

Facebook’s solution: Corona

facebook-corona.jpg

Corona在fb部署过程是这样的

为什么fb不使用YARN

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