Born at Cloudera, the MPP query engine known as Apache Impala has become a top-level open source project. It's one of various tools bringing SQL-style interactivity to big data analytics.
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Hadoop 2 release adds potential uses -- and new issues to consider SearchDataManagement.com | 17 Oct 2013
Hadoop is finding uses as a batch-processing engine and big data landing pad. Version 2 heralds wider applications, but new users face challenges.