Aria Presto: Making table scan more efficient

1 · Facebook · June 10, 2019, noon
The Aria is a set of initiatives to dramatically increase PrestoDB efficiency. Our goal is to achieve a 2-3x decrease in CPU time for Hive queries against tables stored in ORC format. For Aria, We are pursuing improvements in three areas: table scan, repartitioning (exchange, shuffle), and hash join. Nearly 60 percent of our global [...] Read More... The post Aria Presto: Making table scan more efficient appeared first on Facebook Code....