Simplifying Presto on Kubernetes – Introducing the Presto Helm Chart

By 

Let’s explore how to run Presto on Kubernetes. At PrestoCon Day 2023, Denis Krivenko of Platform24 shared his work on the Presto Helm Chart and why Presto on Kubernetes helps make for an efficient deployment. He also demoed a step-by-step process of deploying Presto on a Kubernetes cluster using the Helm package manager. Sign up…

Common Sub-Expression optimization

By 

The problem One common pattern we see in some analytical workloads is the repeated use of the same, often times expensive expression. Look at the following query plan for example: The expression JSON_PARSE(features) is used 6 times, and casted to different ROW structures for further processing. Traditionally, Presto would just execute the expression 6 times,…