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Hadoop:   Roles & Responsibilities of Hadoop:
·        2+ years’ experience working with Big Data eco-system including tools such as Hadoop, Map Reduce, Yarn, Hive/Impala/Presto, Pig, Spark, Kafka, Sqoop, Hue, and Storm
·        Knowledgeable in techniques for designing Hadoop-based file layout optimized to meet business needs
·        Understands the tradeoffs between different approaches to Hadoop file design
·        Experience with techniques of performance optimization for both data loading and data retrieval
·        Experience with NoSQL Databases – HBase, Apache Phoenix, Apache Cassandra, Vertica, or MongoDB