Growing a Data Pipeline for Analytics

Roberto Vitillo, Staff Data Engineer @ Mozilla26th PyData London Meetup

brew install apache-spark

Don’t do it yourself!

Input OutputETL

Storage

JSON

JSON?

JSON

Parquet

Spark, Hive, Pig …

JSON

Parquet

Spark, Hive, Pig … ???

“The easier it is to ask questions, the more questions will be asked”

Modern SQL supports Map, Arrays & Structs

JSON

Parquet

Spark, Hive, Pig …

Presto, Re:dash

TLDR;

• Don’t build your own pipeline unless you really have to

• Use schemas

• Exploit columnar storage

• Use SQL