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_________ is a distributed and scalable OLAP engine built on Hadoop to support extremely large datasets.

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_________ is a distributed and scalable OLAP engine built on Hadoop to support extremely large datasets.

(a) Kylin

(b) Lens

(c) log4cxx2

(d) MRQL

I got this question by my college professor while I was bunking the class.

This interesting question is from Hadoop Incubators in section Incubator Projects, Chuckwa, Ambari, Knox and Hadoop Development Tools of Hadoop

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Right option is (a) Kylin

The best I can explain: MRQL is a query processing and optimization system for large-scale, distributed data analysis.

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