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Bazaarvoice leverages Alluxio as a caching tier on top of AWS S3 to maximize performance and minimize operating costs on running Big Data analytics on AWS EC2. The company is a software-as-a-service provider that allows retailers and brands to curate, manage, and understand user-generated content such as reviews for their products. The big data platform completely relies on the open source Hadoop ecosystem, utilizing tools such as Apache Hive, Spark for ETLs Kafka, ElasticSearch and HBase for durable datastore.