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YARN is still in its infancy and doesn't run in production for user-facing applications at any large site. Also, there are big limitations when it comes to scal
by florianleibert 12y ago
YARN is still in its infancy and doesn't run in production for user-facing applications at any large site. Also, there are big limitations when it comes to scaling YARN. YARN also has a lot of overhead on each machine the worker processes run on.
Twitter runs mesos in a multi 10k node cluster for user facing, production applications.