Amazon recently released AWS Athena to allow querying large amounts of data stored at S3. This is built on top of Presto DB. Amazon releasing this service has greatly simplified a use of Presto I’ve been wanting to try for months: providing simple access to our CDN logs from Fastly to all metrics consumers at 500px.Previously we investigated using Presto on an Elastic MapReduce (EMR) cluster to execute queries during our daily ETLs. We’d then load those queries’ outputs to Redshift for further a...