Impala has proven to be a high-performance analytics query engine since the beginning. Even as an initial production release in 2013, it demonstrated performance 2x faster than a traditional DBMS, and each subsequent release has continued to demonstrate the wide performance gap between Impala’s analytic-database architecture and SQL-on-Apache Hadoop alternatives. Today, we are excited to continue that track record via some important performance gains for Impala 2.5 (with more to come on the roadmap), summarized below.

Overall, compared to Impala 2.3, in Impala 2.5:

• TPC-DS queries run on average 4.3x faster.
• TPC-H queries run 2.2x faster on flat tables, and 1.71x faster on nested tables.