How different SQL-on-Hadoop engines satisfy BI workloads

According to a new benchmark, the three leading SQL-on-Hadoop engines — Apache Impala 2.3, Apache Spark 1.6 and Apache Hive 1.2 — all have unique strengths and weaknesses that make them well-suited to some Business Intelligence (BI) use cases and less suited to others."The conclusions really are that one engine does not meet all requirements," says Dave Mariani, CEO and founder of AtScale, a startup specializing in enabling BI on Hadoop. "What we have done in our deployments, for our