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Apache Ranger on ElasticMapReduce

Laurence Geng looks at Ranger:

Whether you’ve successfully made it before or not, installing and integrating Windows AD/OpenLDAP + Ranger + EMR is a very hard job, it is complicated, error-prone, and time-consuming for the following reasons:

Read on for the list of reasons, some background on Ranger, and an automated installer intended to make life a bit easier.