Presto at Walmart and enhancements for cross cloud query federation

Presto at Walmart and enhancements for cross cloud query federation

In this talk we are going to introduce Presto cross environment query federation which will enable query execution across different clouds and on-prem Presto clusters. This helps in reducing the network data transfer which results in lower Egress and Ingress costs when we are querying across clouds.

Presto SQL Functions – Facebook

Presto SQL Functions – Facebook

In this talk we will show how to use the recently introduced SQL function feature, how it works, and the ongoing work to support invoking arbitrary functions remotely with remote UDF server.