Who's using Parquet?
(in alphabetical order)
We shipped Impala 0.7 (http://t.co/wxuV0wYShk) - a whole ton of great new features including DDL, Parquet support and partitioned joins!— Henry Robinson (@HenryR) April 16, 2013
Converting some data to Parquet on the Twitter clusters. I'm seeing a 28% space saving thanks to the compressibility of the column layout.— Julien Le Dem (@J_) March 24, 2013